SSANGYONG MY2002
7C-8 MANUAL & SEMIAUTO-HVAC
1. The low-pressure and high-pressure are exces-
sive high.
2. There are a lot of moistures in the connection
of the low-side pressure
Cause SymptomAction
1. The low-pressure side indicates excessive high
and high-pressure indicates excessive low.
2. There is a moisture in the connection of the re-
ceiver-drier and the front/back of the expan-
sion valve.
1. The low-side pressure is high or normal inter-
mittently.
The dust and moisture
etc. are frozen at the
expansion valve
A gas leak in the heat
reducer
The mixed moisture is
frozen at the expansion
valve
The faulty expansion
valve, the improper
installation of the heat
reducer
Fail to control the flow
rate
Repair the receiver-drier
Replace the expansion
valve for the faulty heat
reducer
Repair the receiver-drier
and perform the
bleeding
Repair the receiver-drier
Check the oil
contamination etc.
1. The low-pressure is excessive high and high-
pressure is excessive low.
There is an oil leak in
the compressorReplace the compressor
YAD7B110
YAD7B130 YAD7B120
YAD7B140
