Friedrich Floating Air Pro-Premiere FPHFW18A3A, Service Manual

Page: 67 / 94

67 PB
TROUBLESHOOTING
Error Code 36
See Figure 716
Does communica�o n wiring
meet speci fi ca � ons?
14 gauge stranded wiring rated
for 600v
Replace wiring
as required.
NO
Are there any junc �on boxes or
splices in the wiring except for
code required disconnects?
Yes
Replace wiring
as required.
Yes
Is Wiring connected to the
proper terminals?
L, N, S1 are not always
c onfi gured from le� to right.
No
Correct wiring
connec �on s.
No
Check Line Voltage at indoor
and Outdoor Units for 115 or
230 VAC as required.
Is voltage correct?
Trace back
source of
problem and
correct.
Yes
No
Is condensate pump being
powered from terminal block?
It must have it’s own power
source.
Connect
condensate
pump to its
own power
source.
Yes
Yes
Measure voltage between S1
and N. Is the voltage fluctua� ng
between 0 and 24 vdc?
See Figure 716
No
Replace indoor
or outdoor
control boards
as required.
No
E36 Error
Check the indoor and outdoor
fan motors. See Component
Tes �ng sec � on. Do motors
check good?
Replace motor
as required
End
Yes
No
No
Yes
Yes
See Figure 717