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Error code reference
Friedrich Air Conditioner Error Code E5
Indoor probe open: control assumes indoor ambient temperature is 90°F and unit will operate.
SourceFriedrich WallMaster Thru-the-Wall - Full Service Manual (2007)p. 9
Diagnostic procedure
The full E5 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
Ohm indoor probe. Replace probe if ohm value not read.
SourceFriedrich WallMaster Thru-the-Wall - Full Service Manual (2007)p. 9
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 Friedrich air conditioner.
Models covered by the manuals that document this code
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