Loop Of The Station Detect Error - Haier HSU-18HEA03/R2(DB)-I Service Manual

7.3.11 Loop of the station detect error

Outdoor Display LED1 flash 5 or 18 or 19 times
Method of
Malfunction the position of the compressor rotor can not detected normally
Detection
Malfunction when the The wiring of compressor is wrong or the connection is poor;
Decision or the compressor is damaged
Conditions
Supposed
Causes
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector,
Within 3 minutes after the machine
is supplied with power and turned
on with the remote controller, the
compressor couldnot stard up
At frist, the compressor start up ,soon
the compressor stopped with the LED1
on the outdoor PCB blinks 1Hz or19
times
HSU-18HEA03/R2(DB)-I
Faulty The wiring of compressor
Faulty compressor
Faulty PCB
parts damage may be occurred.
NO
YES
YES
IPM Module is damaged and
needs replacing.
the Malfunctions exist also, .
The compressor is damaged
replace a new one
70
Service Diagnosis
1. The wiring of compressor is
incorrect or the connection is
poor;
2. The compressor is damaged
Malfunction unsolved
Domestic air conditioner
or