Skip to main content
Error code reference
Goodman Air Conditioner Error Code C7
Indoor Freezing Lockout (ICT - IAT > 20) + 10 minutes.
SourceGoodman PTAC/PTHP - Service Manual: R-410A LED M70 Control (RS4200005R11)p. 47
Diagnostic procedure
The full C7 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 filter, Check for fan and blower operation, Check for Refrigerant loss or Restricted capillary tube.
SourceGoodman PTAC/PTHP - Service Manual: R-410A LED M70 Control (RS4200005R11)p. 47
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock C7 procedure $9.95
Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.
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
75,000+ service documents · 20,000+ error codes · 100+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax