Country of Origin: United Kingdom
Hi, got problem with air con and cant sort it out. Got PP2000 diag software and all the readings are fine, there are no fault codes.
The live reading give 3bar with compressor off and 6bar when compressor kicks in. The compressor kicks in all the time and the system seems to work fine apart from no cold air. I have done all actuator and relay tests and all are good.
Only problem i notice is hissing sound from vents but cant work it out where its coming from.
Any help on what to look for would be appreciated.
This sounds like most of the refrigerant has leaked out. High side should be higher than 6 bar (~100 psig) in operation in summer weather. You should connect gauges and measure the low side too.
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