Haier HSU12VHGDB-G Service Manual

HSU12HG(DB)-SM Service Diagnosis
62
Domestic Air Conditioner
7.3.10 Loop of the station detect error
Outdoor Display LED1 flash 18 times Indoor Display F11
LED1 flash 19 times Indoor Display F28
Method of The position of the compressor rotor can not detected normally
Malfunction
Detection
Malfunction When the wiring of compressor is wrong or the connection is poor;
Decision
or the compressor is damaged
Conditions
Supposed  Faulty The wiring of compressor
Causes
 Faulty compressor
Ƶ
Faulty PCB
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
Malfunction unso
NO
YES
YES
1. The wiring of compressor is
incorrect or the connection is
poor;
2. The compressor is damaged
IPM Module is damaged and
needs replacing.
At first, the compressor start up ,soon
the compressor stopped with the LED1
on the outdoor PCB blinks˄1Hz˅for
18/19 times
The Malfunctions exist also.
The compressor is damaged.
Replace a new one
Within 3 minutes after the machine
is supplied with power and turned
on with the remote controller, the
compressor could not start up
Malfunction unsolved

Haier HSU12VHGDB-G Specifications

General

Brand	Haier
Model	HSU12VHGDB-G
Category	Air Conditioner
Language	English