Test equipment urinalysis analyzers

Smiths Medical CLINITEK 500: troubleshooting and error codes

The ServiceForge knowledge base holds 72 documented symptoms for the Smiths Medical CLINITEK 500, with 175 ranked causes, 112 diagnostic checks with test points and expected values, and 85 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Error 25 displayed

Readhead could not find calibration chip during initialization

Ranked causes

1. Misalignment or incorrect installation of fixed table or holddown (common)
2. Flex cable not fully seated in connector J7 (occasional)
3. Lamp malfunction (occasional)
4. Preamp malfunction (occasional)
5. Stepper motor drive circuit failure (occasional)
6. Mother PCB defective (rare)
7. PREAMP PCB mechanical interference (occasional)

First check

Perform 3 power on/off cycles ignoring errors before 3rd cycle

Test point: Instrument power
Expected: Error 25 no longer displayed after 3rd cycle

7 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 06-2 - Reagent strip lost at second readhead

Strip detected at first readhead but missing at second readhead; strip may have fallen or misaligned during transport.

Ranked causes

1. Strip fell from platform or misaligned in transport (common)
2. Bent or broken pins on Moving Table (occasional)
3. Loose or misseated Fixed Table (occasional)
4. Loose or misseated Moving Table (occasional)
5. Drive housing failure (rare)
6. Worn table guides (rare)

First check

Locate any dropped strip in waste area

Test point: Waste bin and platform
Expected: Strip visible or instrument clear

2 more checks with pass and fail actions, 6 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 08-1, 08-2 - Reagent strip misalignment during processing

Strip position drifted during transport; detected correction factor of 0 or 8 indicates significant misalignment relative to calibration chip.

Ranked causes

1. Strip not positioned correctly during loading (common)
2. Bent or broken Moving Table pins (occasional)
3. Instrument not level (occasional)
4. Loose or misseated tables (occasional)
5. Worn or misaligned table guides (occasional)
6. Drive housing misalignment or failure (rare)

First check

Verify strip positioning during loading

Test point: Platform rear wall
Expected: Strip end touching rear wall, not touching bottom

3 more checks with pass and fail actions, 7 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 24 displayed

Push bar not finding home in proper time during instrument startup or operation

Ranked causes

1. Misalignment or incorrect installation of push bar or fixed table (common)
2. Optical sensor malfunction (occasional)
3. Stepper motor drive circuit failure (occasional)
4. Push bar shaft dirty or dry (occasional)
5. Mother PCB defective (rare)
6. PREAMP PCB mechanical interference (occasional)

First check

Visually inspect push bar and fixed table alignment

Test point: Push bar and fixed table mechanical assembly
Expected: No visible misalignment or improper installation

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 26 displayed

Fixed table is missing or not installed properly

Ranked causes

1. Fixed table missing or not fully engaged (common)
2. Drive housing or fixed table guide wear or damage (occasional)
3. Connector not fully seated (occasional)
4. Sensor malfunction or fixed table positioning issue (occasional)
5. Mother PCB defective (rare)
6. Processor #1 on main PCB defective (rare)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 50 displayed

Printer error message indicates external printer is not responding or interface connection is faulty

Ranked causes

1. Printer power off or not ready (common)
2. Interface cable loose or disconnected (common)
3. Printer out of paper (common)
4. Defective printer mother PCB (rare)
5. Defective printer cable (rare)
6. Defective main PCB (rare)

First check

Verify printer is powered and ready

Test point: External printer
Expected: Printer turned on and on-line with paper loaded

1 more check with pass and fail actions, 6 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 23 - Moving Table misaligned

Moving table position error detected; table may not be installed, loose, or mechanically misaligned.

Ranked causes

1. Moving table not installed or loose (common)
2. Fixed table misaligned or loose (occasional)
3. Worn or damaged Drive Housing or table guides (occasional)
4. Stepper motor drive circuit failure (rare)
5. Optical sensor failure (rare)

First check

Verify Moving Table is installed

Test point: Moving Table position
Expected: Table present and visually aligned

3 more checks with pass and fail actions, 6 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 51 displayed

Control results memory is almost full with nearly 200 control result sets stored without computer transfer

Ranked causes

1. Computer not connected or powered off (common)
2. External port not enabled (common)
3. Incorrect computer interface setup parameters (occasional)
4. Defective mother PCB (rare)
5. Defective main PCB (rare)

First check

Transfer control results to computer

Test point: RS 232 serial communication port
Expected: Records transfer successfully

3 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 52 displayed

Sample results memory is almost full with nearly 500 patient result sets stored without computer transfer

Ranked causes

1. Computer not connected or powered off (common)
2. External port not enabled (common)
3. Incorrect computer interface setup parameters (occasional)
4. Defective mother PCB (rare)
5. Defective main PCB (rare)

First check

Transfer sample results to computer

Test point: RS 232 serial communication port
Expected: Records transfer successfully

3 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 53 displayed

Control results memory is completely full with 200 control result sets stored without computer transfer

Ranked causes

1. Computer not connected or powered off (common)
2. External port not enabled (common)
3. Incorrect computer interface setup parameters (occasional)
4. Defective mother PCB (rare)
5. Defective main PCB (rare)

First check

Transfer control results to computer

Test point: RS 232 serial communication port
Expected: Records transfer successfully

3 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 54 displayed

Sample results memory is completely full with 500 patient result sets stored without computer transfer

Ranked causes

1. Computer not connected or powered off (common)
2. External port not enabled (common)
3. Incorrect computer interface setup parameters (occasional)
4. Defective mother PCB (rare)
5. Defective main PCB (rare)

First check

Transfer sample results to computer

Test point: RS 232 serial communication port
Expected: Records transfer successfully

3 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Test results not being printed by internal printer

Internal printer fails to produce output; no paper or no data transmission

Ranked causes

1. Internal printer set to OFF (common)
2. No paper installed in printer (common)
3. Paper installed backwards or incorrect paper used (occasional)
4. Loose electrical connection to printer (occasional)
5. Defective printer (occasional)

11 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 01, 02, 03, 04, 05 - Instrument optical error

Optical error detected during measurement; instrument may not read strips correctly.

Ranked causes

1. Problem with pre-amp or A/D PCB (common)
2. Lamp failure (occasional)
3. Defective pre-amp module (occasional)
4. Defective A/D PCB (occasional)

First check

Power cycle the instrument

Test point: Power switch
Expected: Instrument restarts without error

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 09-1, 09-2 - Reagent strip skewed during processing

Strip rotated or tilted relative to normal orientation during transport through measurement stations.

Ranked causes

1. Jammed or stacked strips in outfeed area (common)
2. Bent or broken Moving Table pins (occasional)
3. Instrument not level (occasional)
4. Worn or misaligned table guides (occasional)

First check

Inspect waste bin for jammed strips

Test point: Outfeed area and waste bin
Expected: No strips blocking outlet

3 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Push bar does not move back to left after strip movement caution

Push bar fails to return to left position after advancing a strip; remains extended

Ranked causes

1. Last strip placed in loadlist run or waiting for ID entry (common)
2. Very dark urine prevents strip detection until first readhead (occasional)
3. Strip detector malfunction (occasional)
4. Defective push bar mechanism (rare)

10 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bar code reader power or communication failure caution

Bar code port does not provide correct voltages or bar code reader communications test fails

Ranked causes

1. Auto-reset fuses damaged (common)
2. Bar code reader defective (occasional)
3. Processor PCB bar code control circuit defective (rare)

First check

Measure bar code port +5V

Test point: Connector J5 pin 6 to ground (pin 1 or 3)
Expected: 5 VDC
Tools: DVM, bar code test fixture

2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Display is blank

No image or text visible on display screen; may indicate power or system initialization issue

Ranked causes

1. No power (common)
2. Improperly inserted program card (common)
3. Defective program card or defective system electronics (occasional)

7 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 07-1 - Reagent strip not fully wetted or upside-down

Strip not properly saturated with specimen or placed upside-down on platform; incomplete wetting prevents valid test results.

Ranked causes

1. Upside-down strip placement by operator (common)
2. Strip not fully immersed in specimen (common)
3. Physical damage to platform components (occasional)

First check

Visually inspect platform and guides for physical damage

Test point: Push Bar, Fixed Table, Holddown
Expected: No visible cracks or deformation

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 10-1, 10-2 - Instrument optical error

Optical measurement system error; may indicate lamp failure, dirty calibration bars, or sensor/PCB failure.

Ranked causes

1. Dirty or contaminated Fixed Table and calibration bars (common)
2. Pre-amp subassembly failure (occasional)
3. Defective A/D PCB (occasional)

First check

Power cycle and clean calibration bars

Test point: Fixed Table calibration bars
Expected: No visible dirt or contamination

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 20-1 - Automatic strip type detection failed

Instrument unable to identify strip type when Auto Detect mode selected in Setup Routine; applies to Kanji units only.

Ranked causes

1. Unrecognized or invalid strip type (common)
2. Defective strip (occasional)
3. Pre-amp subassembly failure (rare)

First check

Verify strip type is recognized

Test point: Strip package and Setup Routine
Expected: Strip type listed in recognized types

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 21 - Internal memory error

Instrument memory error detected; likely program card or processor failure.

Ranked causes

1. Defective program card (common)
2. Processor module #1 failure (occasional)
3. Main PCB failure (occasional)

First check

Power cycle the instrument

Test point: Power switch
Expected: Error clears and normal operation resumes

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 27 displayed

Holddown is improperly installed, missing, or dirty

Ranked causes

1. Holddown missing, dirty, or incorrectly installed (common)
2. Fixed table or holddown wear and discoloration (occasional)
3. Readhead performance or alignment issue (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 28 displayed

Reagent strip detected at loading station but not found at first readhead

Ranked causes

1. Moving table missing or not installed (common)
2. Strip sensor malfunction or cable issue (occasional)
3. Readhead performance issue (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 29 displayed

Calibration bar error detected

Ranked causes

1. Calibration bars damaged, misaligned, or platform not fully installed (common)
2. Fixed table calibration chip damage (occasional)
3. Stepper motor drive or connector issue (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 40 displayed

Instrument displays Error 40 indicating communications error between processor 1 and processor 2

Ranked causes

1. Improper software version installed (occasional)
2. Defective processor 1 (occasional)
3. Defective main PCB (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 56 displayed

System error indicating general internal communications problem; error repeats after power cycle

Ranked causes

1. Defective processor 1 (occasional)
2. Defective main PCB (occasional)
3. Defective program card (occasional)

First check

Power cycle instrument

Test point: Power switch and display
Expected: System restarts normally without error

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Push bar moves right when no strip placed caution

Push bar advances without strip on platform; false trigger of movement mechanism

Ranked causes

1. Strip detector accidentally triggered by hand, sleeve or foreign object (common)
2. Ambient light changed significantly (occasional)
3. Strip detector problem (occasional)

8 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

A-D converter reading out of range

A-D counts for one or more channels outside specified limits; lamp on or lamp off readings incorrect

Ranked causes

1. Readhead or light source defective (occasional)
2. A-D converter PCB defective or miscalibrated (occasional)

First check

Run Read A-D Counts test with lamp on

Test point: IR, RED, GREEN, BLUE channels at Readhead 1 and Readhead 2
Expected: All channels 800-2046 counts, 800-2046

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Display fails test or is not powered caution

Display does not pass test or is blank; display interface PCB not receiving proper voltages

Ranked causes

1. Display assembly defective (common)
2. Main Processor PCB defective (occasional)

First check

Verify display receives power

Test point: Display interface PCB connector P2 pin 20 (NEG), pins 5, 16, 17 (POS)
Expected: +5 VDC
Tools: DVM

2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 55 displayed

Instrument unable to store setup changes to program card; default values loaded instead on power-on

Ranked causes

1. Defective program card (occasional)
2. Defective main PCB (occasional)

First check

Print setup configurations to determine which to use

Test point: Display and printer output
Expected: Both configurations printed and readable

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Printer communication failure

Test message sent to printer; no output or corrupted output; instrument or external printer not responding

Ranked causes

1. Printer not connected or powered off (common)
2. Printer interface defective (occasional)

First check

Verify external printer connected and powered on

Test point: Auxiliary port and printer power switch
Expected: Printer on and receiving commands

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Printout does not contain all reports

Missing reports not included in printed output; flagged reports not printing

Ranked causes

1. Missing reports flagged for confirmatory report with Edit flag ON (common)
2. Printer malfunction or test failure (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Push bar does not move to the right after strip placed caution

Push bar mechanism fails to advance after reagent strip placed on platform; no rightward motion

Ranked causes

1. Other strips being moved along platform (common)
2. Strip detector problem (occasional)

9 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

RS232 port communication failure caution

RS232 port (RJ45 or DB-25) does not communicate; loop-back test fails

Ranked causes

1. Mother PCB RS232 circuit defective (common)
2. Processor PCB RS232 control circuit defective (occasional)

First check

RS232 port loop-back test

Test point: RS232 port (RJ45 or DB-25)
Expected: Loop-back test passes
Tools: Loop-back connector, test software

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Sensor interrupt circuit failure caution

Sensor does not change status when interrupted; sensor test fails after replacement

Ranked causes

1. Sensor defective (common)
2. Mother PCB or Main Processor PCB sensor circuit defective (occasional)

First check

Sensor status test

Test point: Sensor interrupt (all sensors)
Expected: Status changes when sensor interrupted

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Serial port communication failure

Test message sent to port; received message does not match or first and last characters do not correspond

Ranked causes

1. Loop-back connector not installed or defective (common)
2. Serial port interface defective (occasional)

First check

Install loop-back connector on serial port to be tested

Test point: Computer port, Bar Code Reader port, or Auxiliary port
Expected: Loop-back connector seated and secured

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Stepper motor drive output incorrect caution

Stepper motor drive circuits (IC 5, 6, or 7) do not produce proper square-wave output; waveforms missing or distorted

Ranked causes

1. Stepper motor driver chip defective (common)
2. Processor PCB not providing input signal (occasional)

First check

Measure stepper motor driver input signal

Test point: Stepper motor driver IC pin 11 (see table 7-4-2 for duration)
Expected: Square wave pulse signal
Tools: Oscilloscope

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Strip detector not detecting presence of strip in load zone

Strip Verify Test does not respond with beep when strip placed in load zone

Ranked causes

1. Detector setup values out of range (not 10 to 254) (occasional)
2. Strip detector sensor defective or misaligned (occasional)

First check

Print detector setup values

Test point: Detector output on instrument printer
Expected: Four values between 10 and 254

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Strip not centered under readheads

Strip centering test fails; error code #34 set; step count shows 00

Ranked causes

1. Strip centering values outside limits (not 4 to 40 steps) (unknown)
2. Strip centering values differ by more than 10 steps between readheads (unknown)

First check

Verify strip centering test values within acceptable range

Test point: Readhead 1 and Readhead 2 centering steps
Expected: 4 to 40 steps

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Strip walk position out of specification

Strip Walk Test result is B or C for new assembly, or C for used assembly; strip position at readhead not centered at ideal value of 4

Ranked causes

1. Strip position 0 or 8 detected at either readhead (rare)
2. Strip position 2 or 6 occurred six or more times; average < 3 or > 5.5; or position 1 or 7 detected (occasional)

First check

Run Strip Walk Test with 10 MULTISTIX-10SG reagent strips

Test point: Strip position at Readhead 1 and Readhead 2
Expected: New assembly: Strip Walk Test = A; Used assembly: Strip Walk Test = A or B

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Touch screen does not respond correctly

Screen does not respond to touch inputs as expected during operation.

Ranked causes

1. Screen needs to be recalibrated (common)
2. Defective screen (occasional)

First check

Verify cables are properly seated in Bezel Assembly

Test point: Bezel Assembly connectors
Expected: All cables fully seated

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Touch screen not responding to input

Touch screen fails to respond to key presses or touch input; display may be functional

Ranked causes

1. Touch screen requires recalibration (common)
2. Defective touch screen (rare)

First check

Cycle power

Test point: Power switch and touch screen display
Expected: Touch screen responds to input after restart

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

A/D PCB reference voltage incorrect caution

A/D PCB does not provide correct reference voltages to pre-amp PCB and lamps; voltages out of specification at test points

Ranked causes

1. A/D PCB defective (common)

First check

Measure lamp unloaded voltage

Test point: Connector P4 and P5 pins 1 and 2
Expected: +5.8 to +6.24 VDC, +5.8 to +6.24 V
Tools: DVM

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: 5-volt power supply output high voltage

Adjust potentiometer VR1 to set the 5V output within specification using a voltmeter at TB2 terminals 1 and 4

Ranked causes

1. 5V supply output out of range (common)

First check

Measure 5V power supply output voltage

Test point: TB2 terminal 1 (positive) and terminal 4 (DC Ground)
Expected: +5 volts DC VDC, 4.75 to 5.25 VDC
Tools: Voltmeter, Display Test Stand Fixture (p/n 71647014)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Horizontal plate adjustment

Align horizontal plate position and Moving Table fingers to ensure proper strip centering and movement

Ranked causes

1. Horizontal plate or Moving Table misaligned (common)

First check

Horizontal plate screw tension

Test point: Two screws in horizontal plate
Expected: Loose for adjustment

3 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Printer mechanism cleaning

Clean printer rails and platen to maintain print quality and prevent operation issues

Ranked causes

1. Dirt buildup on printer rails or platen (occasional)

First check

Print head rail cleanliness

Test point: Rails that print-head rides upon, especially ends
Expected: Clean, no visible dirt buildup
Tools: Cotton tip applicators, Isopropyl Alcohol

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Pusher bar slide lubrication

Clean and lubricate pusher bar shaft and slide arm to ensure smooth motion and prevent wear

Ranked causes

1. Pusher bar shaft and slide arm require lubrication (occasional)

First check

Push Bar Shaft removal

Test point: Phillips head screw securing Push Bar Shaft to Motor Casting
Expected: Screw loose and shaft removable
Tools: #1 Phillips screwdriver

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Readhead alignment

Align readhead carrier position and belt tension using alignment fixture to ensure proper optical function and calibration

Ranked causes

1. Readhead misalignment or belt tension incorrect (common)

First check

Readhead carrier position

Test point: Readhead carrier front position
Expected: Flush against alignment fixture

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Sensor positioning

Position optical sensors for optimal performance: table sensor fully forward, crank arm sensor fully down, moving table sensor fully left with flag centered

Ranked causes

1. Optical sensors require optimal positioning (occasional)

First check

Table in place sensor position

Test point: Table in place sensor
Expected: Fully forward

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Display does not update to run mode

Display screen remains in standby or menu mode; does not transition to active test result display mode

Ranked causes

1. Unknown display or mode transition fault (unknown)

First check

Perform memory reset and defaults reset

Test point: Instrument test card and setup menu
Expected: System transitions to run mode normally

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Display pixel test failure

Display does not turn on all pixels or does not turn off all pixels during test sequence

Ranked causes

1. Display panel defective or not responding to test command (occasional)

First check

Run Test Display from Instrument Tests Level 2

Test point: Screen pixel state during test sequence
Expected: All pixels on for 5 seconds, then all pixels off for 5 seconds

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 30 displayed

Readhead alignment error detected

Ranked causes

1. Readhead misalignment or fixed table not fully installed (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 31 displayed

Instrument displays Error 31 indicating strip detector set up error or mechanical failure during strip detection initialization

Ranked causes

1. Fixed table not installed completely to stops (common)

First check

Verify strip detector operation

Test point: Strip detector assembly
Expected: Strip detector responds and cycles pusher bar

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error 34 displayed

Instrument displays Error 34 indicating strip centering error or instrument factor error during strip positioning

Ranked causes

1. Fixed table not installed completely to stops (common)

First check

Perform strip centering test

Test point: Strip centering mechanism
Expected: Strip centers correctly under readheads

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Exercise all motions test error detection

Diagnostic test runs motors and actions through normal run cycles; operator selects number of cycles; error detected and displayed on screen during operation

Ranked causes

1. Motor or actuator malfunction during cycling (occasional)

First check

Select number of cycles and run exercise all motions test

Test point: Test menu screen
Expected: All cycles complete without error; cycles per hour rate displayed as approximately 500 cycles/Hr

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Fixed table cannot be installed

Unable to install fixed table on instrument; moving table position issue prevents installation

Ranked causes

1. Moving table not in lowest position (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Hardware homing test failure

Instrument Test Card self-check; moving table, blotter and readhead homing by Processor #1 fails; FAIL message with two-digit error code displayed

Ranked causes

1. Moving table, blotter or readhead mechanical jam or sensor failure (occasional)

First check

Observe hardware homing test execution

Test point: Self-check screen
Expected: PASS displayed; table and readhead reach home position without error

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Leukocyte Correction Factor generation range exceeds limit patient safety

LEU Correction Factor test range value exceeds acceptable threshold; instrument normalization fails

Ranked causes

1. Reagent strip alignment or readhead position variation (common)

First check

Run 10 Multistix 10 SG strips dipped in CT500 Calibration Solution

Test point: Leukocyte test pads
Expected: Range value <= 34

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

No motor movement on power-up caution

Readhead, moving table, or blotter motor does not move when unit is powered on with test card installed

Ranked causes

1. SIMM module (Processor 1) defective (common)

First check

Verify motor movement on power-up

Test point: Readhead, moving table, blotter motors
Expected: Motor movement occurs

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Power supply or system initialization issue

Instrument fails to respond to power commands or system initialization

Ranked causes

1. Power supply malfunction or connection failure (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

More symptoms

Power supply output voltage incorrect
Pre-amp PCB output voltage incorrect
Printer power missing or incorrect
Processor software version mismatch on startup
Pusher bar not at left position
ROM checksum test failure
Strip detector does not detect strip or cycle pusher bar
Strip detector power missing or incorrect
Test Readheads calibration readings out of acceptable range
Test Readheads readhead #2 calibration edge correction out of range
Touch screen position sensing error
XRAM memory data corruption detected

12 more symptoms with ranked causes and checks are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`21`	ROM Checksum Error	Calculated checksum for the ROM does not equal 0	error
`23`	Table Movement Error	Table sensor fails to respond correctly at 2.5 or 3.0 seconds into cycle	error
`24`	Push Bar Movement Error	Push bar sensor fails to respond at 2.5 or 3.8 seconds in cycle	error
`25`	Readhead Scan Movement Error	Readhead not positioned on calibration chip during RUN initialization	error
`26`	Table Not In Place	Table sensor is not activated	error
`27`	Holddowns Not In Place	Reflectance between pads 10 and 11 not below 40%	error
`28`	False Strip Detect	Strip detected but not sensed at 1st readhead or areas between pads 2-3 and 9-10 do not both read >65%	error
`29`	Cal Chip NOT found error	Calibration chip not found under readhead 1 within 750 steps during initialization	error
`30`	Read-head Alignment error	Readhead 2 calibration chip edge varies more than ±3 motor steps from readhead 1	error
`31`	Instrument mechanical error - strip detector set up error during initialization	Error detected by processor 2 during strip detector initialization or fixed table positioning	error
`34`	Instrument mechanical error - strip centering error or instrument factor error	Error detected during strip positioning and centering process	error
`#34`	Strip centering test failed	Strip centering values outside range 4-40 steps or differ by more than 10 steps between readheads	error
`40`	Internal Communications Error	Communication failure between the two processors	critical
`40`	Improper software installed or processor communication failure	Communications error between processor 1 and processor 2 during operation	error
`50`	Printer error - external printer not responding or interface disconnected	Instrument unable to communicate with or receive status from external printer	error
`50`	Printer Error	External printer has an error or is out of paper	warning
`51`	Control results memory almost full - approximately 200 result sets stored without transfer	Instrument memory reaches threshold with stored control results not transferred to external computer	warning
`51`	Control Results Almost Full	Controls database has space for only 10 more results	warning
`52`	Sample results memory almost full - approximately 500 patient result sets stored without transfer	Instrument memory reaches threshold with stored patient results not transferred to external computer	warning
`52`	Sample Results Almost Full	Sample database has space for only 10 more results	warning
`53`	Control results memory completely full - 200 result sets stored without transfer	Instrument control results memory reaches maximum capacity with data not transferred to computer	error
`53`	Control Results Full	Controls database is full	error
`54`	Sample results memory completely full - 500 patient result sets stored without transfer	Instrument patient results memory reaches maximum capacity with data not transferred to computer	error
`54`	Sample Results Full	Sample database is full	error
`55`	Setup Information Problem	Setup information files corrupted during data integrity check at power ON	error
`55`	System unable to store setup changes to program card; default values loaded instead	Instrument fails to write setup configuration to program card during setup modification or power-off	error
`56`	General internal communications error - generic watchdog timeout	System detects communications failure between internal processors or modules	error
`56`	System Error	Serious system error or all communication problems between Processor 1 and Processor 2	critical
`61`	Low Dark Value Readhead 1	Dark value < 1 count for any channel	error
`62`	High Dark Value Readhead 1	Dark value >= 400 counts on any channel	error
`63`	A/D Converter Overrange Readhead 1	Read value at full scale (>2040 counts) on any channel	error
`64`	Low Lamp Level Readhead 1	All channels read < 200 counts above dark value at calibration	error
`65`	Low Channel Output Readhead 1	One or more channels read < 200 counts above dark at calibration	error
`68`	Misaligned Strip Readhead 1	Strip end position reflectance crosses 30% threshold at position 0 or 8	error
`69`	Skewed Strip Readhead 1	Reflectance >65% at one area but <65% in other between pads 2-3 and 9-10	error
`70`	Reflectance >100% Readhead 1	Reflectance for any pad measures more than 100%	error
`81`	Low Dark Value Readhead 2	Dark value < 1 count for any channel	error
`82`	High Dark Value Readhead 2	Dark value >= 400 counts on any channel	error
`83`	A/D Converter Overrange Readhead 2	Read value at full scale (>2040 counts) on any channel	error
`84`	Low Lamp Level Readhead 2	All channels read < 200 counts above dark value at calibration	error
`85`	Low Channel Output Readhead 2	One or more channels read < 200 counts above dark at calibration	error
`86`	Missing Strip Readhead 2	Both areas between pads 2-3 and 9-10 do not read >50%	error
`88`	Misaligned Strip Readhead 2	Strip end position reflectance crosses 30% threshold at position 0 or 8	error
`89`	Skewed Strip Readhead 2	Reflectance >65% at one area but <65% in other between pads 2-3 and 9-10	error
`90`	Reflectance >100% Readhead 2	Reflectance for any pad measures more than 100%	error
`93`	Result Data Integrity Readhead 2	Checksum sent by Processor 2 does not match checksum calculated by Processor 1	critical
`DT001`	Display blank - no video output	Power applied but display shows no output	critical
`DT002`	Display malfunction - garbled or incorrect output	Display shows corrupted, partial, or unreadable characters	error
`DT003`	Display character string or touch screen operation corrected by power cycle	After power cycle and touch screen recalibration display/touch responds correctly	info
`DT004`	System memory and defaults reset corrected problem	After memory reset and defaults reset system responds normally	info
`DT005`	Display and processor issue resolved after troubleshooting	After troubleshooting display, main PCB and program card system returns to normal	info
`DT006`	Display or processor issue persists after troubleshooting	Display does not update to run mode despite troubleshooting steps	error
`DT007`	Touch screen response corrected by power cycle and recalibration	After power cycle and touch screen recalibration touch screen responds to input	info
`DT008`	Touch screen not responding after power cycle	Touch screen still unresponsive after power cycle restart	error
`DT009`	Touch screen malfunction - adjacent areas around keys not responding	Touch screen shows localized dead spots or areas not responding	error
`DT010`	Pusher bar not at left starting position	Pusher bar position indicator shows bar is not fully retracted to left stop	error
`DT011`	Strip detector does not detect strip or pusher bar does not cycle	Strip detector fails to sense test strip presence or initiate pusher bar movement	error
`DT012`	System locked up - unresponsive to input	System becomes unresponsive to user input; processing halted	critical
`DT013`	Display does not update to run mode after data transfer attempt	Display remains in standby or menu mode; does not show active test results	error
`DT014`	Touch screen hardware defective and requires replacement	Touch screen does not respond to input despite power cycle and recalibration attempts	error
`DT015`	Instrument setup parameters incorrect or reset to defaults needed	Print out shows incorrect setup configuration or customer settings conflict with defaults	warning
`Error 01`	Instrument optical error	Optical measurement system failure during strip reading	error
`Error 02`	Instrument optical error	Optical measurement system failure during strip reading	error
`Error 03`	Instrument optical error	Optical measurement system failure during strip reading	error
`Error 04`	Instrument optical error	Optical measurement system failure during strip reading	error
`Error 05`	Instrument optical error	Optical measurement system failure during strip reading	error
`Error 06-2`	Reagent strip lost between readheads	Strip detected at readhead 1 but not at readhead 2	error
`Error 07-1`	Reagent strip not fully wetted or upside-down	Insufficient wetting or inverted strip orientation detected during processing	warning
`Error 08-1`	Reagent strip misaligned during processing (readhead 1)	Strip position correction factor of 0 or 8 detected at readhead 1	error
`Error 08-2`	Reagent strip misaligned during processing (readhead 2)	Strip position correction factor of 0 or 8 detected at readhead 2	error
`Error 09-1`	Reagent strip skewed during processing (readhead 1)	Strip rotation or tilt detected at readhead 1 during transport	error
`Error 09-2`	Reagent strip skewed during processing (readhead 2)	Strip rotation or tilt detected at readhead 2 during transport	error
`Error 10-1`	Instrument optical error	Optical measurement system failure during strip reading	error
`Error 10-2`	Instrument optical error	Optical measurement system failure during strip reading	error
`Error 20-1`	Automatic strip type detection failed (Kanji units only)	Strip type could not be auto-detected when Auto Detect mode is enabled	warning
`Error 21`	Internal memory error	Memory integrity check failed or program card communication lost	critical
`Error 23`	Moving Table misaligned	Moving table position sensor detects misalignment	error
`Error 24`	Push bar mechanical error - not finding home in proper time	During instrument startup or operation when push bar fails to reach home position	error
`Error 25`	Readhead could not find calibration chip during initialization	During startup calibration sequence when readhead fails to locate cal chip	error
`Error 26`	Fixed table is missing or not installed properly	During initialization when fixed table is not detected or not fully engaged	error
`Error 27`	Holddown is improperly installed, missing, or dirty	During specimen processing when holddown is not properly positioned	warning
`Error 28`	Reagent strip detected at loading station but not found at first readhead	During specimen processing when strip is placed but not transported to first readhead	error
`Error 29`	Calibration bar error detected	During startup calibration when calibration bars are not detected or damaged	error
`Error 30`	Readhead alignment error detected	During startup when readhead position is incorrect or misaligned	error
`General Error 30`	Readhead #2 calibration edge correction out of range	RH2 Calibration Edge Correction value outside +/- 3 range	error

Likely causes and actions for each code are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.