Diagnostic Code Check - Friedrich VRP12K Service And Parts Manual

Diagnostic Code Check

Is your WC blank?
Ensure that the WC is wired properly and
connected on the unit and the back of the WC
You cannot check error codes on a bad WC,
but you can utilize the FMC's diagnostic lights
as a secondary
You can also connect a known good Wall
Controller with a whip directly to the unit
to rule out a possible wire break or bad
controller.
Press and hold the Fan Mode and
Fan Speed buttons together for 3
seconds
You will see an E appear, and can
scroll through any active error
codes by pressing the up arrow
The error code mode will time out if
no buttons are made for 15 seconds
ACTIVE ERROR CODE
165
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