Installations
Domestic air conditioner
33
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.
Repair the power supply
The system may have been over or under
charged with gas, which can be judged through
the pressure of the measuring system.
YES
NO
Yes
NO
The compressor is started normally, but
malfunctions are reported after it has
run for some time. Check the power
supply is too low or too high
NO
10.3.7 The communication fault between IPM and outdoor PCB
Outdoor display: LED1 flash 4 times
Method of
Communication is detected by checking the IPM module and the outdoor PCB
Malfunction
Detection
Malfunction
■
The outdoor PCB broken leads to communication fault
Decision
■
The IPM module broken leads to communication fault
Conditions
Supposed
■
The outdoor PCB is broken
Causes
■
The IPM module is broken
■
Communication wiring disconnected
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else
parts damage may be occurred.
Содержание AS50XCAHRA
Страница 12: ... Piping diagrams Domestic air conditioner 5ˊPiping diagrams 10 ...
Страница 14: ...Domestic air conditioner PCB 12 CN8 CN9 CN21 CN36 CN23 CN6 CN52 CN5 CN14 CN2 CN34 CN15 CN11 CN51 CN5 CN11 ...
Страница 27: ...Seivice diagnosis Domestic air conditioner 8 Dimensional drawings 9 Center of gravity unit mm 26 ...
Страница 43: ...Circuit diagrams Domestic air conditioner 41 11 2 Circuit Diagrams ...
