Friedrich FRESHAIRE PVH09K3FA, Service & Parts Manual, Page: 89 / 109

89 PB
TROUBLESHOOTING
Unit Does Not Operate
Unit Does Not Operate
Remove Front Panel
(Figure 501)
Open Electrical Box
(Figure 505)
Check L1 and L@ for
line voltage (220-
265v) on Power PCB
Check LCDI Unit
power supply cord
for tripped circuit
Trace back source
power to tripped
breaker or open
fuse
Is Line voltage
Present
Check the fuse on
the power PCB for
continuity with multi
meter
Is power Cord
tripped
Reset cord and test
unit for proper
operation
Does Power cord
trip again
Check power cord
including power
board L1 and L2
connection for
proper connection
or damage
Correct power
supply connections
or replace Power
cord
YES
NO
YES
End Process
End Process
End Process
Is the fuse open Replace fuse
Go to Next page and
continue
troubleshooting
YES NO
Re test unit
Does fuse blow
again?
Replace Power PCB
and Retest
Does fuse blow
again?
Replace IPM PCB
and Retest
Does fuse blow
again?
Replace Main PCB
END PROCESS
YES
YES
YES
NO
Figure 713