Friedrich FPHSW09A1B Service Manual

64 PB
TROUBLESHOOTING
Error Code 19
Error code 19
Compressor drive in trouble
Check the
IPM
Check the wiring
between main
control board
and compressor
Check the compressor
Check the outdoor fan is
fault and the outdoor
unit ventilation
Replace the outdoor
control board
1.The resistance of the
windings is correct?
2.The resistance between
the windings and ground
is correct?
Corrent the connection
or replace the wires
and connectors
Change the control
board or replace it
Replace the fan or the
outdoor unit
ventilation
The compressor is
faulted,change the
compressor
No
No
No
No
Yes
Yes
Yes
Yes
Is fastening screw
of IPM fastened?
fastening
No
Yes
test point:
Check the screw of IPM fastening
Fig. 713

Friedrich FPHSW09A1B Specifications

General

Brand	Friedrich
Model	FPHSW09A1B
Category	Air Conditioner
Language	English