Enteral feeding pumps · Kangaroo family

Covidien Kangaroo ePump: troubleshooting and error codes

The ServiceForge knowledge base holds 87 documented symptoms for the Covidien Kangaroo ePump, with 132 ranked causes, 95 diagnostic checks with test points and expected values, and 79 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

System error displayed patient safety

Device display shows error number with fixed audible alarm; requires power-down to clear

Ranked causes

1. Internal timer stopped (rare)
2. Flash chip missing or version incompatible (rare)
3. Too many graphic screens in memory (rare)
4. Motor current ADC interrupt service routine never triggered (rare)
5. Battery level ADC interrupt never triggered (rare)
6. Battery temperature ADC interrupt never triggered (rare)
7. Ultrasonic occlusion/bag-empty ADC interrupt never triggered (rare)
8. Ultrasonic downstream occlusion ADC interrupt never triggered (rare)
9. RS232 communications transmission error (occasional)
10. Flash write error (rare)
11. Flash read error (rare)
12. General stopcock timeout (occasional)
13. Buzzer test timeout (rare)
14. Flash screen read error (rare)
15. Flash languages read error (rare)
16. Cannot find stopcock flush position during prime (occasional)
17. Cannot find stopcock feed position during prime (occasional)
18. Motor error during tubing autoload (occasional)
19. Motor failsafe timeout; possible damaged gearbox encoder or flex cable (occasional)
20. Display lockup timeout (rare)
21. Motor control failure (occasional)

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

System error with numeric code patient safety

Display shows system error screen with error number; pump does not operate; requires power-down to exit

Ranked causes

1. Internal timer stopped (Error 0) (unknown)
2. Flash chip missing or incompatible (Error 1) (unknown)
3. ADC interrupt service routine failure (Errors 4-8) (unknown)
4. Communication or hardware timeout (Errors 9-14, 20-23, 33, 50-52) (unknown)

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

Feed error - formula delivery failure patient safety

Feed Error screen appears; enteral formula no longer being delivered due to empty bag or clog between pump and bag

Ranked causes

1. Feed or Flush containers are empty (common)
2. Feed or Flush tube occluded between bag and pump (common)
3. Tube occluded between pump and patient (occasional)

First check

Check feed container status

Test point: Feed bag/container
Expected: Container has adequate formula level

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

Feed error - formula not being delivered patient safety

FEED ERROR screen; enteral formula no longer flowing because bag is empty or clog between pump and bag

Ranked causes

1. Feed bag is empty (common)
2. Occlusion/clog between pump and feed bag (common)
3. Feed tube kinked or damaged (occasional)

First check

Inspect feed bag for formula level

Test point: Feed bag
Expected: Bag contains sufficient formula

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

Flow error - solution not reaching patient patient safety

FLOW ERROR screen; feeding or flushing solution no longer flowing to patient due to occlusion between pump and patient or valve contamination

Ranked causes

1. Occlusion between pump and patient (common)
2. Valve pocket contamination or moisture (occasional)
3. Pump set damaged or improper loading (occasional)

First check

Visually inspect patient line for blockage

Test point: Patient line between pump outlet and patient
Expected: Line clear with no visible obstruction

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

Flush error - flushing solution not being delivered

FLUSH ERROR screen; flushing solution no longer flowing because flush bag is empty or clog between pump and flush bag

Ranked causes

1. Flush bag is empty (common)
2. Occlusion/clog between pump and flush bag (common)
3. Flush tube kinked or damaged (occasional)

First check

Inspect flush bag for solution level

Test point: Flush bag
Expected: Bag contains sufficient flush solution

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

Battery does not hold charge adequately

Backup battery depletes in less than 15 hours at normal feed rates, or fails to recharge when plugged in

Ranked causes

1. Battery degraded or defective (rare)
2. Battery not fully charged before use (common)

First check

Verify adequate charging time before battery-only operation

Test point: Battery charge indicator on display
Expected: Full battery symbol shown after 8 hours at A/C outlet

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

Feed error - no formula delivery patient safety

Feed Error screen appears; enteral formula no longer being delivered to patient

Ranked causes

1. Feed bag empty (common)
2. Occlusion between pump and feed bag (common)

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

Feed error during formula delivery patient safety

FEED ERROR screen appears when enteral formula is no longer being delivered, indicating empty bag or clog between pump and bag.

Ranked causes

1. Feed bag empty (common)
2. Clog between pump and feed bag (common)

First check

Verify feed bag status

Test point: feed bag
Expected: Bag contains formula

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

Flow error - no solution delivery to patient patient safety

Flow Error screen appears; feeding or flushing solution not reaching patient due to downstream occlusion

Ranked causes

1. Occlusion between pump and patient (common)
2. Dampness or dirt in valve pocket causing false error (occasional)

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

Flow Error appears on screen patient safety

FLOW ERROR screen displayed; feeding or flushing solution no longer being delivered

Ranked causes

1. Clog between pump and patient (common)
2. Dampness or dirt in valve pocket (occasional)

First check

Inspect line for occlusion

Test point: Feeding/flushing line from pump to patient
Expected: No blockage present

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

Flow error during solution delivery patient safety

FLOW ERROR screen appears when feeding or flushing solution is no longer being delivered due to clog between pump and patient.

Ranked causes

1. Clog between pump and patient (common)
2. Dampness or dirt in valve pocket (occasional)

First check

Inspect patient delivery line for blockage

Test point: line from pump to patient
Expected: Clear, patent

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

Flush error - no flush solution delivery

Flush Error screen appears; flush solution no longer being delivered

Ranked causes

1. Flush bag empty (common)
2. Occlusion between pump and flush bag (common)

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

Flush Error appears on screen patient safety

FLUSH ERROR screen displayed; flushing solution no longer being delivered

Ranked causes

1. Flush bag empty (common)
2. Clog between pump and flush bag (common)

First check

Verify flush bag has solution

Test point: Flush bag
Expected: Bag contains flushing solution

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

Flush error during flush delivery patient safety

FLUSH ERROR screen appears when flushing solution is no longer being delivered due to empty flush bag or clog between pump and flush bag.

Ranked causes

1. Flush bag empty (common)
2. Clog between pump and flush bag (common)

First check

Verify flush bag status

Test point: flush bag
Expected: Contains flushing solution

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

Lines not primed before feeding patient safety

Air in tubing may prevent proper fluid delivery to patient

Ranked causes

1. Auto prime not selected or incomplete (common)
2. Feeding attempted after bag emptied without re-priming (occasional)

First check

Verify AUTO PRIME completed successfully

Test point: Pump status display
Expected: AUTO PRIME COMPLETE message displayed

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

Pump does not power on

Device fails to respond when POWER button is pressed on lower right of front panel

Ranked causes

1. Battery not connected or depleted (common)
2. A/C power not connected or faulty (common)

First check

Verify A/C power cord is properly connected

Test point: A/C Adapter Port on back of pump
Expected: Plug fully inserted with proper pin/tab orientation

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

Pump flow rate inaccurate

Water collected during 30-minute test falls outside expected range for programmed hourly rate

Ranked causes

1. Pump Set performance degradation or improper calibration (unknown)
2. Rotor assembly fouling or misalignment (occasional)

First check

Verify test conditions and pump setup

Test point: Room temperature, pump power source, bag height
Expected: Room temperature 22°C ± 2°C (72°F ± 3°F), A/C power connected (not battery), bag bottom 18 inches above pump, ±2°C

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

Pump priming not working

Auto prime feature does not progress or manual prime button does not deliver fluid to valve and tubing

Ranked causes

1. Pump Set not properly loaded (common)
2. Incorrect priming procedure for set type (occasional)

First check

Verify Pump Set is properly loaded

Test point: Blue door, valve finger tab, black ring retainer, rotor
Expected: SET LOADED displayed on status line

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

Pump stops running unexpectedly patient safety

Pump halts operation during feeding without operator pressing HOLD or POWER button

Ranked causes

1. A/C power interrupted and battery depleted (common)
2. Error condition triggered (occasional)

First check

Check A/C power status and battery charge indicator

Test point: Power cord connection and battery symbol on display
Expected: A/C power connected or battery charge showing 2/3 or greater

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

Battery discharge during long-term storage

Battery may discharge and deactivate during non-usage or storage periods exceeding 9 months.

Ranked causes

1. Prolonged storage without battery management (common)

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

Battery low

BATTERY LOW screen appears with continuous beeping alarm when battery requires recharging. Approximately 15 minutes of battery life remaining.

Ranked causes

1. Battery charge depleted (common)

First check

Plug pump into AC power

Test point: AC adapter connection
Expected: Power indicator shows charging

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

Battery Low alarm activates

BATTERY LOW screen appears and alarm beeps continuously; approximately 15 minutes of battery life remaining

Ranked causes

1. Battery charge depleted (common)

First check

Connect pump to AC power

Test point: AC adapter to wall outlet
Expected: Pump plugged in and charging (pump continues operation or returns to prior screen)

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

Battery low warning

BATTERY LOW screen with continuous beep alarm; approximately 15 minutes of battery remaining before automatic shutdown

Ranked causes

1. Battery charge depleted (common)

First check

Connect power cord to wall outlet

Test point: Power connection
Expected: AC power available at outlet

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

Bolus interval out of specifications patient safety

Programmed time between bolus deliveries does not match clinical protocol in intermittent mode

Ranked causes

1. Bolus interval incorrectly programmed (common)

First check

Verify bolus interval setting

Test point: ADJUST BOLUS screen BOLUS INTERVAL field
Expected: Interval programmed between 1 and 24 hours as clinically ordered

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

Bolus rate out of specifications patient safety

Programmed bolus delivery rate does not match clinical order in intermittent mode

Ranked causes

1. Bolus rate incorrectly programmed (common)

First check

Verify bolus rate setting

Test point: ADJUST BOLUS screen BOLUS RATE field
Expected: Rate programmed between 1 and 400 ml/hr as ordered

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

Calibration: AccuSystem feeding set compatibility patient safety

Ensure KANGAROO ePump is calibrated and tested with genuine AccuSystem√ feeding sets to maintain accurate delivery. Verify feeding set has AccuSystem√ logo.

Ranked causes

1. Use of unauthorized or generic feeding sets (common)

First check

Inspect feeding set packaging and labeling for AccuSystem√ logo

Test point: Feeding set exterior
Expected: AccuSystem√ logo present on genuine product

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

Circuitry damage from unauthorized rework patient safety

Electronic assembly rework by non-authorized technicians may affect pump accuracy and operation.

Ranked causes

1. Non-authorized technician service or rework (common)

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

Feed rate out of specifications patient safety

Programmed feed rate does not match intended delivery rate in continuous mode

Ranked causes

1. Feed rate incorrectly programmed (common)

First check

Verify feed rate setting

Test point: ADJUST FEED screen FEED RATE field
Expected: Rate programmed between 1 and 400 ml/hr as ordered

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

Feed volume to be delivered incorrectly set patient safety

Programmed volume to be delivered does not match clinical order in continuous mode

Ranked causes

1. Volume to be delivered incorrectly programmed (common)

First check

Verify feed volume setting

Test point: ADJUST FEED screen FEED VTBD field and remaining volume display
Expected: Volume programmed as ordered; remaining VTBD shown next to v icon on lower right

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

Feeding complete notification

FEEDING COMPLETE information screen after programmed feeding schedule finishes; display notification only, no error condition

Ranked causes

1. Programmed feeding cycle completed normally (common)

First check

Verify feeding schedule was fully executed

Test point: Program completion timer
Expected: All programmed volume delivered or time elapsed

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

Flush cycle interrupts bolus delivery patient safety

During intermittent feeding with flushing enabled, flush cycles interrupt active bolus feeding cycles, reducing net feeding volume over the intended time period.

Ranked causes

1. Flushing precedence assigned over feeding process in Feed & Flush pump sets (common)

First check

Verify flushing parameters are programmed and active

Test point: RUNNING screen
Expected: Flushing data displayed if Feed & Flush Pump Set is used

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

Flush interval out of specifications patient safety

Programmed time between flush cycles does not match clinical protocol in continuous mode

Ranked causes

1. Flush interval incorrectly programmed (common)

First check

Verify flush interval setting

Test point: ADJUST FLUSH screen FLUSH INTERVAL field
Expected: Interval programmed between 1 and 24 hours as clinically ordered

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

Flush Now feature requires intentional volume entry to stop patient safety

When Flush Now is activated, user must explicitly enter zero volume and press ENTER to stop the flush; accidental activation cannot be easily cancelled.

Ranked causes

1. Flush Now requires deliberate action to activate and stop (occasional)

First check

Verify Flush Now settings before confirmation

Test point: Flush Now menu (Figure 12B or 14B appearance)
Expected: Default shows previously programmed flush volume; user may adjust before pressing ENTER

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

Flush rate is high and may not match patient needs patient safety

Kangaroo ePump flushes at a fixed high rate that may not be appropriate for all patient conditions or feeding set configurations.

Ranked causes

1. Fixed flush rate of 1960 mL/hr may exceed patient tolerance or clinical requirements (occasional)

First check

Review programmed flush volume and interval

Test point: FLUSH VOLUME and FLUSH INTERVAL menu (Figures 14A–14C)
Expected: Flush volume 10–500 mL; interval 1–24 hours, both selected to match patient need

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

Flush volume out of specifications caution

Programmed flush volume does not match clinical requirements in continuous mode with Feed & Flush set

Ranked causes

1. Flush volume incorrectly programmed (common)

First check

Verify flush volume matches patient needs

Test point: ADJUST FLUSH screen FLUSH VOLUME field
Expected: Volume programmed between 10 and 500 ml as clinically appropriate

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

History data limited to 72 hours of past records

Kangaroo ePump can retrieve maximum 72 hours of feeding and flushing history, excluding the current hour, which may be insufficient for longer-term trend analysis.

Ranked causes

1. History storage capacity limited to 72 hours of past data (common)

First check

Verify available history range in MORE OPTIONS menu

Test point: HISTORY screen (Figure 20)
Expected: User can set time range up to 72 hours back from current time (excluding current hour)

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

Hold error - pump inactive without input

Hold Error screen appears; pump has been in HOLD mode without input for more than 10 minutes; audible alarm sounds at adjustable volume

Ranked causes

1. Pump left in HOLD mode longer than 10 minutes without operator input (common)

First check

Confirm pump has been idle in HOLD mode for >10 minutes

Test point: Display screen status
Expected: HOLD ERROR screen showing

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

Hold mode error triggered after 10 minutes

HOLD ERROR screen with adjustable alarm beep; pump inactive without operator input exceeds timeout

Ranked causes

1. Operator did not provide input within 10 minutes (common)

First check

Pump has been in HOLD mode for more than 10 minutes

Test point: HOLD mode duration
Expected: Timeout at 10 minutes

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

Keep Tube Open (KTO) feature unavailable in EZMODE patient safety

KTO function cannot be used when pump is operating in EZMODE, limiting ability to prevent tube blockage during periods of minimal feeding.

Ranked causes

1. EZMODE restricts advanced features including KTO (unknown)

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

KTO activation increments in variable time steps

KTO time increments change at higher durations (from 5-minute to larger steps above 30 minutes), which may make setting precise durations difficult.

Ranked causes

1. User interface design uses non-linear increment steps for KTO duration (common)

First check

Set KTO duration by pressing input button to left of KTO icon

Test point: RUNNING screen, KTO icon input button (Figure 15A)
Expected: KTO duration cycles through 5, 10, 15, 20, 25, 30, then larger steps up to 240 minutes

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

MISTIC connector removed during autopriming caution

MISTIC connector removed from pump during autopriming or running operation

Ranked causes

1. MISTIC connector dislodged during operation (rare)

Number of boluses out of specifications patient safety

Programmed bolus count does not match clinical order in intermittent mode

Ranked causes

1. Number of boluses incorrectly programmed (common)

First check

Verify number of boluses setting

Test point: ADJUST BOLUS screen NUMBER OF BOLUSES field
Expected: Count programmed as ordered, or zero if running until supply exhausted

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

Power cord wet or formula spilled on exterior high voltage

Water or formula contamination of pump exterior or power cord creating electrical hazard or equipment damage risk

Ranked causes

1. Improper cleaning or accidental liquid spillage during use (occasional)

First check

Visual inspection for liquid contamination

Test point: Pump exterior, power cord, connectors
Expected: No visible moisture, formula residue, or wet areas on pump or cord

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

Pump alarm sounds if left in HOLDING mode for 10 minutes patient safety

Kangaroo ePump generates audible alarm if paused (HOLDING) for 10 minutes without user interaction, which may indicate forgotten or unattended pump.

Ranked causes

1. Safety feature to alert clinician of extended pause period (common)

First check

Monitor HOLDING time limit

Test point: RUNNING screen status line showing HOLDING; yellow LED lit
Expected: User interaction (RUN, HOLD, or menu selection) within 10 minutes of entering HOLD

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

Pump continues automatic flush after formula delivery

Pump automatically performs an additional 25 mL water flush after completing programmed formula delivery, which may not be anticipated.

Ranked causes

1. Automatic post-delivery flush feature enabled when flushing occurred during formula delivery (common)

First check

Observe total flush volume delivered on RUNNING screen

Test point: mL FLUSH total on RUNNING screen and HISTORY screen
Expected: Actual flush volume equals programmed flush volume per cycle plus 25 mL after final delivery

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

Pump in HOLD mode longer than 10 minutes without input patient safety

Pump automatically triggers HOLD ERROR alarm after 10 minutes of inactivity in HOLD mode without operator input

Ranked causes

1. Operator inactivity in HOLD mode exceeding 10 minute timeout (common)

First check

Monitor time in HOLD mode

Test point: Pump operational state and timer
Expected: Operator input received within 10 minutes of entering HOLD mode

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

Pump locked unintentionally

Screen locked preventing operator access to RUN, HOLD, or parameter controls

Ranked causes

1. LOCK SCREEN feature activated inadvertently (occasional)

First check

Verify padlock icon on display

Test point: RUNNING screen display
Expected: Padlock icon visible indicating LOCK SCREEN mode active

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

Pump requires re-certification patient safety

Periodic system performance re-certification needed to maintain safe operation and verify proper functioning

Ranked causes

1. Annual maintenance interval due or pump suspected of improper performance (common)

First check

Verify pump is due for re-certification

Test point: Service records and last certification date
Expected: Last re-certification more than 12 months ago or pump malfunction suspected

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

Pump set dislodged error

PUMP SET DISLODGED screen; black ring retainer (MISTIC) is not properly loaded in MISTIC pocket in pump set loading area

Ranked causes

1. MISTIC retainer not properly positioned in pocket (common)

First check

Verify MISTIC retainer position in loading pocket

Test point: MISTIC pocket in pump set loading area
Expected: Black ring retainer fully seated and locked in pocket

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

Pump Set dislodged error patient safety

PUMP SET DISLODGED screen appears when black ring retainer (MISTIC) is not properly loaded in MISTIC pocket in Pump Set loading area.

Ranked causes

1. Black ring retainer (MISTIC) improperly positioned (common)

First check

Verify MISTIC retainer positioning

Test point: black ring retainer in MISTIC pocket
Expected: Properly seated in right pocket

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

Pump Set Dislodged Error appears on screen patient safety

PUMP SET DISLODGED screen displayed; black ring retainer not properly positioned

Ranked causes

1. MISTIC retainer improperly positioned (common)

First check

Verify MISTIC retainer positioning

Test point: MISTIC pocket in Pump Set loading area
Expected: Black ring retainer properly seated in MISTIC pocket

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

Pump Set in use over 24 hours

Usage warning indicator blinking on RUNNING screen; Pump Set has been used 24 or more hours (running time)

Ranked causes

1. Normal Pump Set wear limit reached (common)

First check

Verify pump set running time

Test point: RUNNING screen indicator
Expected: Blinking warning icon in upper left if >= 24 hours of use

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

Pump Set not installed patient safety

Screen displays 'LOAD A SET' status message and blinking Pump Set icon appears in upper left corner

Ranked causes

1. Pump Set not loaded into pump (common)

First check

Verify Pump Set is properly seated in loading slots

Test point: Left and right slots on pump loading mechanism
Expected: Valve seated in left slot, MISTIC retainer seated in right slot

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

Pump Set reused beyond 24 hours patient safety

Pump Set used beyond recommended single-use timeframe may cause performance degradation or contamination

Ranked causes

1. Pump Set not replaced after 24 hours (common)

First check

Verify Pump Set age

Test point: Pump Set installation time record
Expected: Less than 24 hours since initial load

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

Pump set used >24 hours warning

Informational indicator blinks on RUNNING screen; pump set has been in use 24 or more hours (actual running time)

Ranked causes

1. Pump set cumulative runtime exceeds 24 hours (common)

First check

Observe runtime counter on pump display

Test point: Pump set usage timer
Expected: Counter displays >= 24 hours when warning appears

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

Pump Set used more than 24 hours

Pump Set usage warning indicator blinks on Running screen after 24+ hours of set use

Ranked causes

1. Pump Set in use for 24 or more hours (common)

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

Reduced pump accuracy from unauthorized feeding sets patient safety

Use of generic or non-Tyco Healthcare feeding sets may jeopardize accuracy of the pump.

Ranked causes

1. Non-AccuSystem feeding set installed (common)

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

Rotor assembly misalignment after replacement

Rotor not properly seated on shaft after installation; may cause improper pump operation or flow rate errors

Ranked causes

1. Set screw not aligned with output shaft flat during rotor installation (occasional)

First check

Verify rotor alignment before tightening set screw

Test point: Rotor hub set screw position relative to output shaft
Expected: Set screw aligned with flattened section of output shaft
Tools: 5/64" (2mm) allen wrench, visual inspection

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

Rotor error - unusual rotor operating condition

Rotor Error screen appears during RUNNING or PRIMING; pump has detected unusual rotor operating condition, typically from improper pump set tubing loading around rotor

Ranked causes

1. Pump set tubing improperly loaded around rotor or pump set damaged (common)

First check

Inspect pump set tubing loading around rotor

Test point: Rotor assembly
Expected: Tubing properly seated around rotor, no damage visible

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

More symptoms

Rotor error displayed during operation
Rotor error during operation
Rotor error during priming or running
Screen lock can prevent unintended operation changes
System error - ADC ISR battery level failure
System error - ADC ISR battery temperature failure
System error - ADC ISR downstream occlusion detection failure
System error - ADC ISR motor current failure
System error - ADC ISR occlusion detection failure
System error - buzzer test timeout
System error - display lockup timeout
System error - excessive graphic screens in memory
System error - flash chip missing or version incompatible
System error - flash languages read error
System error - flash read error
System error - flash screen read error
System error - flash write error
System error - internal timer stopped
System error - motor control failure
System error - motor error during tubing autoload
System error - motor failsafe timeout
System error - RS232 communications transmission error
System error - stopcock feed position not found
System error - stopcock flush position not found
System error - stopcock timeout
Unit remains in hold mode without response
Volume per bolus out of specifications

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

Error codes

Code	Meaning	Trigger	Severity
`0`	Internal timer stopped	Timer malfunction detected	critical
`1`	Flash chip missing or version incompatible	System startup or firmware verification	critical
`10`	Flash write error	Firmware or data write to flash memory	critical
`11`	Flash read error	Reading data from flash memory	critical
`12`	General stopcock timeout	Stopcock stepper motor positioning	error
`13`	Timeout during buzzer test	Buzzer self-test during startup	warning
`14`	Downstream occlusion check timeout; rotor may blow fuse	Downstream occlusion detection	critical
`16`	Flash screen read error	Display screen data read from flash	error
`19`	Flash language pack read error	Language data loading from flash	warning
`2`	Too many graphic screens in memory	Screen display buffer management	error
`20`	Could not find stopcock flush position during prime	Stopcock positioning during priming sequence	error
`21`	Could not find stopcock feed position during prime	Stopcock positioning during priming sequence	error
`22`	Motor error during tubing autoload	Rotor motor operation during pump set autoload	error
`23`	Motor failsafe time out error; possible damaged gearbox encoder	Motor failsafe monitoring	critical
`25`	Display lockup timeout	Display system responsiveness check	error
`33`	Motor control failure	Motor control circuit verification	critical
`4`	Never got ADC interrupt for motor current	Motor control ADC initialization	critical
`5`	Never got ADC interrupt for battery level	Battery sensing circuit initialization	error
`50`	Graphic display error - timeout during GDStatusCheck	Display status check function	error
`51`	Graphic display error - timeout during GDAutoModeDataWriteCheck	Display data write verification	error
`52`	Graphic display error - timeout during GDWriteBytes	Display byte write operation	error
`6`	Never got ADC interrupt for battery temperature	Battery temperature sensing initialization	error
`7`	Never got ADC interrupt for ultrasonic occlusion/bag-empty	Ultrasonic sensor ADC initialization	error
`8`	Never got ADC interrupt for downstream occlusion	Downstream occlusion sensor ADC init	error
`9`	RS232 communications transmission error	Serial communication with control interface	error
`BATTERY LOW`	Battery charge critically low	Battery charge depleted to critical level	warning
`Error #0`	Internal timer stopped	Timer hardware or firmware failure during operation	critical
`Error #1`	Flash Chip missing or version incompatible	Flash memory module not detected or version mismatch on startup	critical
`Error #10`	Flash Write Error	Flash memory write operation failed	error
`Error #11`	Flash Read Error	Flash memory read operation failed	error
`Error #12`	General Stopcock Time Out	Stopcock mechanism failed to respond within expected timeout period	error
`Error #13`	Time Out for Buzzer Test	Buzzer self-test failed to complete within timeout period	warning
`Error #16`	Flash Screen Read Error	Flash memory read failed for screen display data	error
`Error #19`	Flash Languages Read Error	Flash memory read failed for language data	error
`Error #2`	Too many graphic screens in memory	Memory overflow with graphic screen data during operation	error
`Error #20`	Could not find Stop Cock Flush Position during prime routine	Stopcock failed to reach flush position during priming sequence	error
`Error #21`	Could not find Stop Cock Feed Position during prime routine	Stopcock failed to reach feed position during priming sequence	error
`Error #22`	Motor Error during Tubing AutoLoad	Motor control failure detected during automatic tubing load procedure	error
`Error #23`	Motor Failsafe Time Out Error	Motor failsafe timeout occurred, possible gearbox encoder or flex cable damage	error
`Error #25`	Display Lockup Time Out Error	Display controller failed to respond within timeout period	error
`Error #33`	Motor Control Failure	Motor control system experienced general failure	error
`Error #4`	Never got a ADC ISR for motor current	Analog-to-Digital Converter failed to trigger motor current interrupt	error
`Error #5`	Never got a ADC ISR for battery level	Analog-to-Digital Converter failed to trigger battery level interrupt	error
`Error #6`	Never got a ADC ISR for battery temperature	Analog-to-Digital Converter failed to trigger battery temperature interrupt	error
`Error #7`	Never got a ADC ISR for Ultrasonic Upstream Occlusion or Bag-Empty checks	ADC interrupt failed for upstream ultrasonic occlusion or empty bag detection	error
`Error #8`	Never got a ADC ISR for Ultrasonic during Downstream Occlusion	ADC interrupt failed for downstream ultrasonic occlusion detection	error
`Error #9`	RS232 Communications Transmission Error	Serial communications failure during data transmission	error
`FEED ERROR`	Feeding solution delivery interrupted	Feeding solution no longer being delivered	warning
`FEED ERROR`	Enteral formula no longer being delivered to patient	Feed bag empty or clog between pump and feed bag	error
`FLOW ERROR`	Feeding or flushing solution no longer being delivered	Clog between pump and patient, or dampness/dirt in valve pocket	error
`FLUSH ERROR`	Flushing solution no longer being delivered	Flush bag empty or clog between pump and flush bag	error
`Hold Error`	Pump inactive in HOLD mode without operator input for more than 10 minutes	Pump left in HOLD mode without input for 10+ minutes; operator timeout timer expired	warning
`HOLD ERROR`	Pump in hold or pause state	Pump operation paused or held	warning
`PUMP SET DISLODGED`	Black ring retainer (MISTIC) not properly positioned in loading area	MISTIC retainer improperly loaded in MISTIC pocket	critical
`ROTOR ERROR`	Unusual operating condition detected for the rotor mechanism	Pump Set tubing damaged or improperly loaded around rotor	critical
`ROTOR ERROR`	Pump rotor mechanism failure	Rotor unable to rotate or mechanical fault detected	critical
`SYSTEM ERROR`	Critical internal pump system failure	Unspecified system-level fault detected	critical
`System Error #0`	Internal timer stopped	System timer failure during pump operation	critical
`System Error #1`	Flash Chip missing OR version incompatible	During system startup or firmware check	critical
`System Error #10`	Flash Write Error	Attempt to write data to flash memory failed	error
`System Error #11`	Flash Read Error	Attempt to read from flash memory failed	critical
`System Error #12`	Stopcock Time Out	Stopcock mechanism failed to respond or move within timeout period	error
`System Error #13`	Time Out for Buzzer Test	Buzzer speaker failed to sound during diagnostic test	warning
`System Error #14`	Time Out during downstream occlusion check, never got RotorOn3=0. May blow fuse.	Rotor failed to reach expected state during downstream occlusion check	critical
`System Error #2`	Too many graphic screens in memory	Display memory overflow during graphic loading or transition	error
`System Error #20`	Could not find Stop Cock Flush Position during prime routine	Stopcock failed to locate flush position during auto-prime sequence	error
`System Error #21`	Could not find Stop Cock Feed Position during prime routine	Stopcock failed to locate feed position during auto-prime sequence	error
`System Error #22`	Motor Error during Tubing AutoLoad	Motor failed to complete rotor positioning during automatic pump set loading	error
`System Error #23`	Motor Failsafe Time Out Error. Possible damaged gearbox encoder or flex cable.	Motor failsafe timeout triggered; rotor position not confirmed within timeout period	critical
`System Error #33`	Motor Control Failure	General motor control circuit or software failure	critical
`System Error #4`	Never got a ADC ISR for motor current	Motor current sensing subsystem failure during operation	error
`System Error #5`	Never got a ADC ISR for battery level	Battery voltage sensing failure during pump operation	error
`System Error #50`	Graphic Display Error - Timeout during GDStatusCheck function	Display status check routine exceeded timeout during execution	error
`System Error #51`	Graphic Display Error - Timeout during GDAutoModeDataWriteCheck function	Display auto-mode data write routine exceeded timeout	error
`System Error #52`	Graphic Display Error - Timeout during GDWriteBytes function	Display byte write function exceeded timeout during data transfer	error
`System Error #6`	Never got a ADC ISR for battery temperature	Battery temperature sensor failure during operation	error
`System Error #7`	Never got a ADC ISR for Ultrasonic Upstream Occlusion or Bag-Empty checks	Ultrasonic sensor subsystem failure during priming or operation	error
`System Error #8`	Never got a ADC ISR for Ultrasonic during Downstream Occlusion	Downstream occlusion detection sensor failure during operation	error
`System Error #9`	RS232 Communications Transmit	Serial communication transmission failure	error

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