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Service diagnosis
Domestic air conditioner
10.4.10 The communication fault between indoor and outdoor
Indoor display E7
outdoor display LED1 flash 15 times
Method of Communication is detected by checking the indoor PCB and the outdoor PCB.
Malfunction
Detection
Malfunction
Ŷ
The outdoor PCB broken leads to communication fault.
Decision
Ŷ
The indoor PCB broken leads to communication fault.
Conditions
Supposed
Ŷ
Communication wiring disconnected.
Causes
Ŷ
The indoor PCB is broken.
Ŷ
The outdoor PCB is broken.
Ŷ
The Module PCB is broken.
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else
parts damage may be occurred.
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Содержание 2U50S2SF1FA
Страница 11: ...Pinping diagrams Domestic air conditioner 4 Pinping diagrams 9 ...
Страница 12: ...Domestic air conditioner 5 Operation range 10 Introduction ...
Страница 16: ...wiring diagram 14 Domestic air conditioner PCB 2 CN4 CN3 CN10 CN6 CN5 CN8 CN11 CN9 CN7 CN1 CN2 ...
Страница 80: ...Domestic air conditioner Removal of procedure 8 s t n i o P e r u d e c o r P p e t S 3 screws and then lift ...
Страница 82: ...Domestic air conditioner Removal of procedure 10 s t n i o P e r u d e c o r P p e t S 1 Remove compressor ...
Страница 83: ...Domestic air conditioner Removal of procedure 11 s t n i o P e r u d e c o r P p e t S 2 ...
Страница 84: ...Domestic air conditioner Removal of procedure 12 s t n i o P e r u d e c o r P p e t S 3 ...
Страница 85: ...Domestic air conditioner Removal of procedure 13 s t n i o P e r u d e c o r P p e t S 4 Remove the ...