Circuit diagrams
Domestic air conditioner
11.4.11 Loss of synchronism detection
Inverter side current detection is abnormal
Within 3 minutes after the machine is
supplied with power and turned on with
the remote controller, check whether
the compressor can start up
1. The wiring of compressor is incorrect
or the connection is poor;
2. The compressor is damaged
At first, the compressor start up ,soon the
compressor stopped with the LED1 on the
outdoor PCB blinks
˄
1Hz
˅
19/18 times
IPM Module is damaged and needs
replacing.
the Malfunctions exist also, the
compressor is damaged replace a
new one
YES
NO
YES
Malfunction unsolved
Maybe there is some disturbance
Method of
malfunction detection
Malfunction detection
conditions
Troubleshooting
The position of the compressor rotor can not detected normally
when the wiring of compressor is wrong or the connection is poor; or the compressor
is damaged
Ŷ
Faulty The wiring of compressor
Ŷ
Faulty compressor
Ŷ
Faulty PCB
Supposed causes
* Caution
Be sure to turn off power switch before connect or disconnect connector, or else
parts damage may be occurred.
LED1 flash 18 times
LED1 flash 19 times
Outdoor diplay
43
Содержание N-Series
Страница 47: ...Circuit diagrams Domestic air conditioner 12 Circuit diagrams 45 ...
Страница 48: ...Circuit diagrams Domestic air conditioner 46 ...
Страница 51: ...Removal of procedure 1 Removal of Air Filter 1 Domestic Air Condition ...
Страница 54: ...Removal of procedure three two HOOKS 4 Domestic Air Condition ...
Страница 55: ...Removal of procedure 3 Removal of horizontal flap flap flap flap flap 5 Domestic Air Condition ...
Страница 56: ...Removal of procedure 4 Removal of Drain pan 6 Domestic Air Condition ...
Страница 57: ...Removal of procedure 5 Removal of vertical blades and swing motor 7 Domestic Air Condition ...
Страница 58: ...Removal of procedure 6 Removal of Electrical Box 8 Domestic Air Condition ...
Страница 59: ...Removal of procedure 7 Removal of Heat Exchanger 9 Domestic Air Condition ...
Страница 60: ...Removal of procedure 10 Domestic Air Condition ...
Страница 61: ...Removal of procedure 8 Removal of Fan Rotor and Motor 11 Domestic Air Condition ...
Страница 62: ...Removal of procedure 12 Domestic Air Condition ...