SiBE041029EC Troubleshooting
Service Diagnosis 92
Troubleshooting
Check No.17
Refer to P.100
Check No.19
Refer to P.101
Note: Refer to Silicon Grease on Power Transistor / Diode Bridge on page 111 for detail.
Caution
Turn off the power. Then, turn on
the power to restart the system.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R21437)
NO
NG
OK
NO
YES
Check the radiation fin
temperature.
NO
YES
YES
Above A ˚C?
Check No. 19
Check the outdoor fan.
Error displayed again?
Has the PCB been
replaced?
Check if silicon grease is
applied properly on the
radiation fin. If not, apply
the silicon grease.
Replace the outdoor unit
PCB (main PCB).
Replace the outdoor fan
motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB (main PCB).
YES
NO
Radiation fin dirty?
Clean up the radiation fin.
Check the installation
condition.
Go to Check No. 17.
A (°C)
RX50/60G2V1B 105
RX50/60G2V1B9
RX50/60G3V1B
RX60G4V1B
85
71 class 105
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