(3)
Outdoor unit does not run.
A.
Check the COOL/FAN selector switch in the remote control unit.
• Is COOL/FAN selector switch
set to COOL ?
NO
Set to COOL.
B.
Check the set temperature.
Try to lower set
temperature using temperature
setting button “COOLER”.
• Set “Operation selector”
switch to TEST in indoor
unit.
YES
Outdoor unit runs.
Is room temperature too
low ?
NO
• Try to run both indoor and
outdoor units with another
remote control unit.
OK
Other remote control unit is
defective.
(Room sensor in remote
control unit is defective.)
C.
Outdoor unit is abnormal.
a)
Check the power supply wiring
• Check negative phase relay.
(47C)
Is it actuated ?
Rewire power supply cords.
NO
22
