Friedrich FPHSW09A1B - Unit Does Not Run

55 PB
TROUBLESHOOTING
Unit does not run
Does the screen
display normally?
Switch on the
power supply
Is the fuse
blown?
(3.5A/250V)
Are the wires
poorly
connected?
Check the input
voltage and output
voltage correct or not
Indoor control board is fault
Replace it.
No
No
No
No
Does it receive the
remote controller
signal?
Is the remote
controller
setting right?
Check the code
Replace the batteries
Retry remote operation.
If not good,replace
remote controller
Is the remote
controller in good
condition?
Make sure all wires
are connected
correctly
display board
Replace the
display board
Replace the
Replace the
board
indoor control
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Fig. 702