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Error code reference
GE Wine Storage Error Code 99
Thermistor is shorted; the control displays a temperature of 99°F (37.2°C) and the unit runs approximately 25% of the time.
SourceGE Profile Wine Chiller - Service Manual: PWR04FANBB/PWR04FANBSp. 6
Diagnostic procedure
The full 99 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check thermistor resistance at the display board 2-pin connector; replace thermistor (WR23X10278) if shorted.
SourceGE Profile Wine Chiller - Service Manual: PWR04FANBB/PWR04FANBSp. 6
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
1 manual in the MyPros+ library documents this code for GE wine storage.
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