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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
set to COOL ?
B.
Check set temperature.
Try to lower set
temperature by Temperature
setting button "COOLER".
• Set "Operation selector"
switch to TEST in the
indoor unit.
Is room temperature too
low ?
• Try to run both indoor and
outdoor units with another
remote control unit.
The other remote control
unit is defective.
(Room sensor in the remote
control unit is defective.)
C. Outdoor unit is abnormal.
a)
Check power supply wiring
• Check negative phase relay.
Dose it operate ?
Rewire power supply cords.
NO
YES
Outdoor unit runs.
NO
OK
0624_X_S
(47C)
NO
0625_X_S
47
–
–
Set to COOL.
0623_X_S
4
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