4. Service procedures
(3)Outdoor unit does not run.
A. Check COOL/FAN selector switch in the remote control unit.
• Is COOL/FAN selector switch | NO |
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| Set to COOL. | ||
set to COOL ? |
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| |
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0623_X_S
B.Check set temperature.
Try to lower set
temperature by Temperature setting button “COOLER”.
YES
•Set “Operation selector” switch to TEST in the indoor unit.
Outdoor unit runs.
Is room temperature too low ?
NO
•Try to run both indoor and outdoor units with another remote control unit.
OK
The other remote control unit is defective.
(Room sensor in the remote control unit is defective.)
0624_X_S
C.Outdoor unit is abnormal.
a)Check power supply wiring
•Check negative phase relay. (47C)
Dose it operate ?
NO
Rewire power supply cords.
0625_X_S
SM830043
4
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