GE PSI21MGM, Technical Service Manual

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10. Remove the 1/4-in. screw for the evaporator
fan ground wire.
11. Remove the 1/4-in. evaporator fan bracket
mounting screws (2), located at either side of
the bracket.
12. Remove the evaporator fan assembly.
Evaporator Thermistor
The evaporator thermistor is snapped on to the top
portion of the evaporator. This thermistor sends
evaporator temperature signals to the processor.
The thermistor
must be replaced when replacing
the evaporator fan.
1. Complete evaporator fan procedure.
2. Unsnap the evaporator thermistor from the
evaporator and remove it.
GEA00961
Thermistor Thermistor Thermistor
Defrost Thermostat
The defrost thermostat is snapped onto the top
portion of the evaporator. The thermostat sends
temperature information to the processor. The
defrost heater
must be replaced when replacing
the thermostat.
1. Remove the lower fan duct work from the
evaporator cover.
2. Remove the 1/4-in. evaporator cover screws
and remove the evaporator cover.
3. Disconnect the defrost thermostat wiring
connector.
4. Remove the defrost thermostat from the
evaporator.
GEA00962
Defrost Thermostat Defrost Thermostat Defrost Thermostat
Defrost Heater
The defrost heater is located at the bottom of the
evaporator. The defrost heater heats the
evaporator in the defrost mode of operation. The
thermostat
must be replaced when replacing the
defrost heater.
1. Complete defrost thermostat procedure.
2. Remove Phillips head defrost heater mounting
screws (2).
3. Remove the defrost heater.
GEA00963
Screws Screws Screws