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Error code reference
Goodman Air Conditioner Error Code LC
Outdoor Coil Thermistor temperature high.
SourceGoodman PTAC/PTHP - Service Manual: R-410A LED M70 Control (RS4200005R11)p. 46-47
Diagnostic procedure
The full LC 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
Clean Condenser Coils, Check Fan for fault. Code will reset after cleaning.
SourceGoodman PTAC/PTHP - Service Manual: R-410A LED M70 Control (RS4200005R11)p. 46-47
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 Goodman air conditioner.
Models covered by the manuals that document this code
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