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Blood thawers

ThermoGenesis MT202: troubleshooting and error codes

The ServiceForge knowledge base holds 4 documented symptoms for the ThermoGenesis MT202, with 4 ranked causes, 8 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Calibration: Operating temperature caution

Verify and calibrate control panel to actual water temperature after servicing

Ranked causes

  1. 1. Control panel not calibrated to actual water temperature (common)
First check

Fill Thawer with proper amount of water

Test point
Water chamber
Expected
Filled to proper level

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

Fill pump not operating caution

Pump does not function or water not circulating during thaw cycle

Ranked causes

  1. 1. Fill pump failure or blockage (common)
First check

Run six-minute thaw cycle

Test point
Pump outlet
Expected
Water flowing from pump during thaw cycle

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

Gear motor not operating caution

Gear motor does not turn on or operates improperly after five minutes of thaw cycle

Ranked causes

  1. 1. Gear motor failure or misalignment (occasional)
First check

Run six-minute thaw cycle and monitor motor engagement

Test point
Gear motor
Expected
Motor turns on after five minutes of thaw cycle

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

Water not draining (MT204 only) caution

Water remains in chamber after drain cycle instead of being pumped out

Ranked causes

  1. 1. Drain pump failure or blockage (common)
First check

Run drain cycle and observe water discharge

Test point
Drain outlet
Expected
All water pumped from chamber during drain cycle

1 corrective action and part numbers 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.