Sharp MXM264N

Error Code:

Code: H3-00
Description: Fusing section high temperature trouble (TH_UM)
Main heater lamp abnormally high temperature software detection trouble
Causes: The fusing temperature exceeds the specified level. Main thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Power unit trouble.
Remedy: Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the power unit.

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