Service diagnosis
39 Domestic air conditioner
10.3.10 The communication fault between indoor and outdoor
Indoor display
ƵƵƾ
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.
Содержание AS25THMHRA-C
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Страница 79: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Страница 82: ...7 Domestic Air Conditioner Removal Procedure Lift up the exchanger and remove it Lift up the exchanger 1 2...
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Страница 99: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...
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Страница 144: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
Страница 145: ...Removal Procedure 2 Domestic Air Condition...
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Страница 147: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Страница 148: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Страница 149: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
Страница 150: ...Removal Procedure 7 Domestic Air Condition...
Страница 151: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
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Страница 180: ...Dimensional drawings 24 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Страница 197: ...Circuit diagrams 43 Domestic air conditioner 11 Circuit Diagrams...
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Страница 203: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Страница 206: ...2 7 Domestic Air Conditioner Removal Procedure Lift up the exchanger and remove it 1...
Страница 207: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover...
Страница 208: ...Removal Procedure 9 Domestic Air Conditioner...
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Страница 221: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Страница 223: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...
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Страница 268: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
Страница 269: ...Removal Procedure 2 Domestic Air Condition...
Страница 270: ...4 Removal Procedure 3 Domestic Air Condition...
Страница 271: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Страница 272: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Страница 273: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
Страница 274: ...Removal Procedure 7 Domestic Air Condition...
Страница 275: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
Страница 276: ...Removal Procedure 9 Domestic Air Condition...
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Страница 291: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
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Страница 401: ...3 Domestic air conditioner s t n i o P e r u d e c o r P p e t S Remove the fixting screws then lift the electrical box...
Страница 407: ...9 Domestic air conditioner s t n i o P e r u d e c o r P p e t S Remove the fixing screw then lift the valve set...
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Страница 422: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
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