Installations
Domestic air conditioner
11.4.5 IPM protection
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
IPM protection is detected by checking the compressor running condition and so on
Ŷ
The system leads to IPM protection due to over current
Ŷ
The compressor faulty leads to IPM protection
Ŷ
circuit component of IPM is broken and led to IPM protection
Ŷ
IPM protection dues to the compressor faulty
Ŷ
IPM protection dues to faulty PCB of IPM module
Ŷ
Compressor wiring disconnected
* Caution
Be sure to turn off power switch before connect or disconnect connector, or else
parts damage may be occurred.
.
LED1 flash 2 times
Outdoor diplay
Method of
malfunction detection
Malfunction detection
conditions
Troubleshooting
Supposed causes
43
Содержание 1U12BS3ERA
Страница 11: ... Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 9 ...
Страница 12: ... Operation range Domestic air conditioner 5ˊOperation range 10 ...
Страница 16: ... CN1 CN2 CN3 CN4 CN5 CN6 6 CN7 PCB 2 Dom Wirin mestic air co ng diagrams onditioner CN1 CN1 s 11 10 14 ...
Страница 32: ... Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity 30 ...