SiBE041401E Troubleshooting
Service Diagnosis 90
Troubleshooting
Check No.17
Refer to P.98
Check No.19
Refer to P.99
Note: Refer to Silicon Grease on Power Transistor / Diode Bridge on page 110 for detail.
Caution
Turn off the power and turn it on
again to start the system.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R19529)
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.
Replace the outdoor fan
motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB.
YES
NO
Radiation fin dirty?
Clean up the radiation fin.
Check the installation
condition.
Go to Check No. 17.
A (°C)
20/25/35 class 98
50 class 85
To Next Page
Loading...
