SiBE041401E
Troubleshooting
Service Diagnosis
66
Troubleshooting
Check No.01
Refer to P.93
Check No.12
Refer to P.94
(R19373)
Caution
YES
NG
NO
NO
YES
YES
YES
NO
NO
YES
YES
NO
YES
NO
NO
∗
Discharge pipe thermistor
∗
Indoor or outdoor heat exchanger thermistor
∗
Room temperature thermistor
∗
Outdoor temperature thermistor
Check for refrigerant shortage.
Change for a specified amount of
fresh refrigerant.
Check No. 12
Electronic expansion valve
functioning?
Replace the thermistor(s)
in
position.
Open the stop valve.
Repair the pipe flare or
replace the union.
Check the power transistor
harness for loosening.
Correct it as required. Also
replace the cracked pipe.
Check the pipes for
improper contact and
correct them as required.
Replace the cracked pipe.
Replace the electronic
expansion valve.
Replace the defective
thermistor(s).
Completed.
Refrigerant shortage error
again?
Oil oozing at internal
piping?
Stop valve closed?
Compressor vibrating
too much?
Oil oozing at relay
pipe connections?
Any thermistor
disconnected?
Check No. 01
Check the thermistors.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
OK
YES
NO
Replace the outdoor unit PCB.
Replace the compressor.
Completed.
Error again?
Summary of Contents for RXG20L2V1B
Page 12: ...SiBE041401E 1 List of Functions Part 1 List of Functions 1 Functions 2 ...
Page 14: ...SiBE041401E 3 Specifications Part 2 Specifications 1 Specifications 4 ...
Page 60: ...SiBE041401E 49 Remote Controller Part 5 Remote Controller 1 Remote controller 50 ...
Page 113: ...SiBE041401E Check Service Diagnosis 102 50 class Diode bridge R19944 ...
Page 127: ...Revision History Month Year Version Revised contents 03 2014 SiBE041401E First edition ...
