Troubleshooting
SiBE04-101
114
Service Diagnosis
Troubleshooting
Check No.20
Refer to P.125
Check No.1
Refer to P.119
Is oil
seeping from the joint
sections of the connection
pipes?
Is oil seeping from
the equipment's internal
piping?
NO
NO
Does the
compressor vibrate
excessively?
Check No.20
Is the electronic expansion
valve normal?
Does the
detection of insufficient gas
occur again?
NO
NO
Replace the right amount of
refrigerant.
Is any thermistor
disconnected?
Conduct gas leak check.
NO
Opened
YES
YES
Closed
YES
YES
YES
YES
NO
Insert in the specified position.
Open stop valve.
Correct the pipe flare, replace the
union.
Check for disconnected power
transistor harness, and correct it.
Replace the ruptured pipe.
Check for pipe contact, and correct
it.
Replace the ruptured pipe.
Replace the electronic expansion
valve.
Replace abnormal thermistor.
1. Replace the PCB.
2. Replace the compressor.
Repair complete.
(R1068)
Especially the discharge pipe
thermistor, indoor, outdoor air
temperature thermistor.
Check No.1
Thermistor check
Normal
Abnormal
Is stop valve opened?
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
SiBE04-101.book Page 114 Monday, October 15, 2001 3:08 PM
