Service diagnosis
34 Domestic air conditioner
10.3.5 IPM protection
Outdoor display:
ƶ ƾ ƾ
/ F1
LED1 flash 2 times
Method of IPM protection is detected by checking the compressor running condition and so on
Malfunction
Detection
Malfunction
Ŷ
The system leads to IPM protection due to over current
Decision
Ŷ
The compressor faulty leads to IPM protection
Conditions
Ŷ
circuit component of IPM is broken and led to IPM protection
Supposed
Ŷ
IPM protection dues to the compressor faulty
Causes
Ŷ
IPM protection dues to faulty PCB of IPM module
Ŷ
Compressor wiring disconnected
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or
else parts damage may be occurred.
12
<(6
12
<(6
Summary of Contents for JS026-D1
Page 12: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 EEV EEV...
Page 14: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
Page 46: ...Sincere Forever...
Page 51: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Page 55: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover...
