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Error code reference

Frigidaire Air Conditioner Error Code E6

Communication failure between indoor unit and outdoor unit

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Diagnostic procedure

The full E6 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
Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected.
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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