5-2-2.
Check PUSH BUTTON in the indoor unit
B. Circuit breaker trips in several minutes after turning the air conditioner on.
●
There is a possibility of short circuit.
6-2-2. Neither indoor nor outdoor unit runs.
A. Power is not supplied.
B. Check "OPERATION selector" switch in the indoor unit.
YES
NO
• OPERATION selector switch is set
in ON position.
Set OPERATION selector switch
to ON.
Indoor PCB Ass'y is defective.
NO
• Check power supply.
Power is being supplied to the
indoor unit.
Circuit breaker
is tripped.
Power failure
Reset breaker.
Wait for recovery
or contact power
company.
Replace with suitable
one (larger capacity).
•
•
•
NO
Check capacity of circuit breaker.
Capacity of circuit breaker is
suitable.
Measure resistance of outdoor fan
motor winding.
Measure resistance of compressor
motor winding.
• Measure resistance of 4-way valve's
winding.
In case of Heating operation :
Press the PUSH BUTTON switch
Neither the indoor nor the outdoor
units run
5-2-2.
21
Summary of Contents for 387106985
Page 7: ...2 DIMENSIONAL DATA Units mm 7...
Page 8: ...3 ELECTRICAL DATA 3 1 Electric Wiring Diagrams 8...
Page 9: ...4 1 Cool Mode Operation 4 FUNCTION 9...
Page 10: ...4 2 Heat Mode Operation 10...
Page 11: ...4 3 Auto Cool Heat Mode Operation 11...
Page 12: ...4 4 Dry Mode Operation 12...
Page 14: ...2 Outdoor Coil High Pressure Protection 14...
Page 15: ...4 7 Protection Operations in Heat Mode 1 Outdoor Coil Deice Protection 15...
Page 16: ...16...
Page 17: ...2 Indoor Coil High Pressure Protection in Heat Mode 17...
Page 18: ...4 8 Sleep Function 4 9 Daily Timer Function 4 10 IFEEL Function 18...