- 102 -
Error code check
4 Way Valve
Yes
No
No
No
Yes
Yes
Yes
Start inspection
Is voltage applied normally from PCB?
After 3 minutes
from the starting, is the difference
of high pressure and low pressure
4 atmosphere or more?
Solve the
compressor
problem
Connect the
connector again
Replace PCB
Check and replace
4way valve coil
Start again
There is no problem with 4way valve
No
After 3 minutes from the
starting, is the difference of high pressure and
low pressure 4 atmosphere
or more?
Does compressor operate normally?
Is PCB connector correctly connected?