Hematology analyzers · Act 10 family

Beckman Coulter Act 10: troubleshooting and error codes

The ServiceForge knowledge base holds 20 documented symptoms for the Beckman Coulter Act 10, with 25 ranked causes, 58 diagnostic checks with test points and expected values, and 1 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

E300 error code - no filament current radiation

E300 error indicates no filament current; unit does not produce X-ray exposure

Ranked causes

1. Fuse F2 (2.5A 250V) on Power on/off PCB open (occasional)
2. Fuse F5 (1A 250V) on Power on/off PCB open (occasional)
3. CU PCB malfunctioning (rare)

First check

Check filament impedance and cathode cable connection

Test point: X-ray tube filament; cathode cable
Expected: normal impedance; secure connection

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

Alarm from MedAir 2000 monitor patient safety

Alarm condition triggered from internal CO and Dew Point monitor; may indicate high CO levels or monitor out of calibration

Ranked causes

1. MedAir 2000 CO/Dew Point monitor out of calibration (occasional)
2. High levels of CO present in generator output (rare)

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

Calibration: Impact 754M Ventilator hardware patient safety

Set baseline low and high voltages for seven circuits after repair or replacement of analog PCB, CPU PCB, power PCB, or flow manifold, or after failed computer calibration attempts

Ranked causes

1. Routine calibration after component replacement (common)
2. Complete computer calibration after hardware calibration (common)

First check

Set O2 Flow low voltage

Test point: VR1
Expected: 0 LPM: 0.5V, +/- 20mV

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

Pump motor does not initiate or engages incorrectly caution

Motor fails to start when dial switch is turned or only engages between dial increment settings

Ranked causes

1. Contact surface adjoining yellow wire twisted or misaligned (common)
2. Electrical path broken in dial switch (common)

First check

Inspect yellow wire contact surface for twisting or misalignment

Test point: Yellow wire contact junction in dial switch assembly
Expected: Contact surface properly aligned and crimped

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

Battery terminals loose on 325M suction device patient safety

Unit becomes non-operational due to internal battery pack disconnection from loose terminals

Ranked causes

1. Battery terminals loose inside unit (common)

First check

Inspect internal battery terminals for loose connections

Test point: Internal battery pack terminals
Expected: Terminals firmly connected to battery pack

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

Battery terminals loose or disconnected caution

Unit becomes non-operational due to internal battery pack disconnection

Ranked causes

1. Battery terminals loosened during maintenance or handling (common)

First check

Verify battery terminal connections are secure

Test point: Internal battery pack terminals
Expected: Terminals firmly attached at correct polarity

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

Calibration: Harvey MC10 steam sterilizer software upgrade verification

Verify whether unit has updated software allowing calibration from parameters menu without opening case

Ranked causes

1. Software version verification needed for updated calibration capability (unknown)

First check

Press and hold CONTROLS OFF, then press and hold PROGRAM SET

Test point: Unit control buttons
Expected: Unit displays LOG in upper left corner of display

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

Calibration: Oxygen analyzer on POGS33C generator patient safety

O2 analyzer requires calibration after 45-minute warm-up period to ensure accurate readings for low oxygen alerts to operators

Ranked causes

1. Analyzer requires periodic calibration per manufacturer protocol (common)

First check

Verify 45-minute warm-up period completed

Test point: Generator operation
Expected: Generator running for 45 minutes

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

Calibration: RT-200 analog circuits caution

Hardware calibration procedure for O2 flow, air flow, mixed flow, pressures, barometer and airway pressure circuits after PCB or flow manifold repair/replacement

Ranked causes

1. PCB or flow manifold repair/replacement requiring baseline voltage reset (common)

First check

O2 flow low setting

Test point: VR1
Expected: 0.5V, +/- 20mV

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

Drive motor failure

Drive Module Kit requires replacement due to motor failure

Ranked causes

1. Drive module degradation (occasional)

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

LCD display discoloration and pixel issues

LCD display shows pixel discoloration, inconsistent dark and light colors, uneven blotchy polarization, and shadows of previous screen affecting display performance and reliability

Ranked causes

1. Solomon LCD controller defect (common)

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

Low charging voltage at battery connector with external power high voltage

Battery voltage is low when external power is connected to ventilator

Ranked causes

1. U1 chip on Motor Drive PCB malfunctioning (common)

First check

Measure charging voltage at battery connector

Test point: battery connector
Expected: normal charging voltage

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

O2 and air pressure tests caution

Pressure tests performed at 60 psi after hardware calibration completed

Ranked causes

1. Verification of pressure circuits after calibration (unknown)

First check

O2 pressure test at 60 psi

Test point: O2 supply
Expected: 60 PSI as measured on cylinder gauge

1 more check with pass and fail actions are in ServiceForge. Connect ServiceForge to your AI

Phillips screws strip during reassembly caution

Case screws become damaged during reattachment of unit plate

Ranked causes

1. Improper screw insertion misaligns thread holes (common)

First check

Align thread holes concentrically before screw insertion

Test point: Unit plate mounting holes
Expected: Holes aligned concentrically with case threads

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

Software verification for Harvey MC10 Steam Sterilizer

Determine if unit has updated software allowing calibration from parameters menu without opening case

Ranked causes

1. Unit built prior to year 2000 may have old software version (unknown)

First check

Press and hold CONTROLS OFF, then press and hold PROGRAM SET

Test point: Control panel buttons
Expected: Display shows LOG in upper left corner

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

Suction apparatus battery terminal disconnection patient safety

Battery terminals loose and disconnecting from internal battery packs, causing unit non-operational

Ranked causes

1. Battery terminals loose or improperly connected (common)

First check

Inspect battery terminal connections to internal battery packs

Test point: Internal battery pack terminals
Expected: Terminals firmly connected at correct polarity

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

Unit displays errors after battery replacement

After lithium battery replacement, unit powers on but shows errors on screen

Ranked causes

1. Lithium battery defective or depleted (unknown)

First check

Start unit and verify serial number display

Test point: Screen display
Expected: Serial number displayed with no errors

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

Unit yoke exposure switch does not release exposure radiation

X-ray unit fails to make exposure when using yoke exposure switch; works with hand switch

Ranked causes

1. Internal connector (brown and yellow wires) disconnected when control panel removed (common)

First check

Verify internal connector (brown and yellow wires) is seated

Test point: internal connector on control panel
Expected: connector fully seated and secure

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

Ventilator will not communicate during software calibration

Ventilator does not respond or initiate communication when software calibration is started

Ranked causes

1. U1 chip on DISPLAY/SWITCH PANEL PCB malfunctioning (common)

First check

Initiate software calibration and verify communication

Test point: calibration interface
Expected: ventilator responds and enters calibration mode

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

Ventilator will not SAVE during software calibration

Cannot save data or read PR address during software calibration

Ranked causes

1. U5 chip on CPU PCB malfunctioning (common)

First check

Attempt software calibration SAVE operation

Test point: calibration software
Expected: SAVE completes and reads PR address

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

Error codes

Code	Meaning	Trigger	Severity
`E300`	No filament current	Filament drive circuit fault; open fuse F2 or F5	critical

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.