Haier J Series User Manual

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
The outdoor PCB broken leads to communication fault.
Decision
The indoor PCB broken leads to communication fault.
Conditions
Supposed
Communication wiring disconnected.
Causes
The indoor PCB is broken.
The outdoor PCB is broken.
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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Haier J Series Specifications

General

Brand	Haier
Model	J Series
Category	Air Conditioner
Language	English