Troubleshooting Notes - GE Profile PSB42LSRBV Technical Service Manual

Problem
Refrigerator HMI displays a temperature of 80°F
(27°C), even though the temperature in the
refrigerator section is correct.
Freezer HMI displays -25°F (-32°C), even though
the temperature in the freezer section is correct.
Freezer HMI displays 80°F (27°C), even though
the temperature in the freezer section is correct.
Unit is dead (except for interior lights). CN1
connector reads 120VAC.
Ambient air thermistor fails service diagnostics
test. HMI displays open circuit.

Troubleshooting Notes

The HMI may display 80°F (27°C) if the
refrigerator thermistor (air) is either open or
shorted. Run service diagnostics (Test 0 7) to
confi rm.
The HMI may display -25°F (-32°C) if the freezer
thermistor (air) is open. Run service diagnostics
(Test 0 7) to confi rm.
The HMI may display 80°F (27°C) if the freezer
thermistor (air) is shorted. Run service diagnostics
(Test 0 7) to confi rm.
Check the compressor overload. Control board
will not receive voltage if the overload is open.
Check the thermistor connection behind the HMI
display to see if the pins are pushed out of the
connector.
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Action