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Error code reference
Whirlpool Air Conditioner Error Code - -
Cannot read room temperature on the Whirlpool digital remote wall thermostat.
SourceWhirlpool Air Conditioner - Job Aid - 8178315 (R-99): ATE07p. 2-11
Diagnostic procedure
The full - - 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
Replace thermostat.
SourceWhirlpool Air Conditioner - Job Aid - 8178315 (R-99): ATE07p. 2-11
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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