Friedrich Floating Air Pro Multi-Zone FPHFC09A3B WI-FI, Service & Parts Manual

Page: 113 / 196

113 PB
TROUBLESHOOTING
E36 Fault Code
Does communication wiring
meet specifications?
14 gauge stranded wiring rated
for 600v
Replace wiring
as required.
Yes
Are there any junction boxes or
splices in the wiring except for
code required disconnects?
No
Replace wiring
as required.
Yes
Is Wiring connected to the
proper terminals?
L, N, S1 are not always
configured from left to right.
No
Correct wiring
connections.
Yes
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.
No
Yes
Is the jiggle switch operating
correctly? Open lower access
panel and depress switch with
suitable tool and see if error
goes away.
Yes
Repair or
adjust jiggle
switch.
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 fluctuating
between 0 and 24 vdc?
No
Replace indoor
or outdoor
control boards
as required.
No
Blank Display / E36 Error
Check the indoor and outdoor
fan motors. See Component
Testing section. Do motors
check good?
Replace motor
as required
End
See Figure 701