.
.5 IPM protection
Outdoor display: LED1 flash 2 times
IPM protection is detected by checking the compressor running condition and so on
■
The system leads to IPM protection due to over current
■
The compressor faulty leads to IPM protection
■
circuit component of IPM is broken and led to IPM protection
■
IPM protection dues to the compressor faulty
■
IPM protection dues to faulty PCB of IPM module
■
Compressor wiring disconnected
* Caution Be sure to turn off power switch before connect or disconnect connector, or
else parts damage may be occurred.
Electrify the machine again and turn it on
with the remote controller,If malfunctions
are reported before or upon the compressor
being started up,
IPM Module is damaged and
needs replacing.
1
ǃ
The system may have been over or under charged with gas, which can be judged through the pressure of the
measuring system.
2
ǃ
The shaft of compressor is seized and the compressor needs replacing.
<(6
12
The compressor is started normally, but
malfunctions are reported after it has run for some
time.
Malfunction unsolved
Service diagnosis
Domestic air conditioner
Conditions
Supposed
Causes
Troubleshooting
Method of
malfunction detection
Malfunction detection
conditions
Summary of Contents for 2U14CS4ERA
Page 10: ... Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 8 ...
Page 11: ... Operation range Domestic air conditioner 5ˊOperation range 9 ...
Page 15: ...PCB 2 CN1 CN5 CN6 CN7 CN10 CN11 CN8 CN9 CN2 CN3 CN4 Domestic air conditioner Wiring diagram ...
Page 16: ...0 Wiring diagram Domestic air conditioner ...
Page 35: ...WARNING CAUTION Installations Domestic air conditioner 33 ...
Page 36: ...Installations Domestic air conditioner 34 ...
Page 37: ...Installations Domestic air conditioner 35 ...
Page 38: ...Installations Domestic air conditioner 36 ...
Page 39: ...Installations Domestic air conditioner 37 ...
Page 40: ...Installations Domestic air conditioner 38 ...
Page 41: ...Installations Domestic air conditioner 39 ...
Page 85: ...1 Removal Procedure 1 Domestic Air Conditioner p ...
Page 87: ...Loosen the screws and pull the panel Removal Procedure 3 Domestic Air Conditioner ...
Page 89: ...Removal Procedure 5 Domestic Air Conditioner 2 ...
Page 90: ...Removal Procedure 6 Domestic Air Conditioner 3 ...
Page 91: ...2 Loosen the fixing screws and remove the motor Removal Procedure 7 Domestic Air Conditioner ...
Page 92: ...Removal Procedure 8 Domestic Air Conditioner 4 F M P B ...
Page 93: ...and remove the reactor Loosen the screw Removal Procedure 9 Domestic Air Conditioner ...