Table of Contents
Advertisement
SiUS342303E
Reference
CHECK 4 Refer to page 376.
Reference
CHECK 12 Refer to page 384.
Part 6 Service Diagnosis
A
Are
the high
pressure and
ow pressure checked
by the service checker the
NO
same as the actual measured
values of the high and
low pressure
sensors?
YES
CHECK 4
NO
Is the power transistor
normal?
YES
Troubleshooting by Error Code
Replace the outdoor unit main
PCB (A1P).
Replace the inverter PCB.
Replace the compressor.
308
Advertisement
Table of Contents
Troubleshooting
