Loop Of The Station Detect Error - Haier HSU-18,22HVA103/R2(DB) Service Manual

7.2.11 Loop of the station detect error

Outdoor Display LED1 flash 19 times
Method of the position of the compressor rotor can not detected normally
Malfunction
Detection
Malfunction when the The wiring of compressor is wrong or the connection is poor;
Decision or the compressor is damaged
Conditions
■ Faulty The wiring of compressor
Supposed
Causes ■ Faulty compressor
■ Faulty PCB
* Caution Be sure to turn off power switch before connect or disconnect connector,
Troubleshooting
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）for 19
times
HSU-18,22HVA103/R2(DB)
parts damage may be occurred.
NO
YES
88
Service Diagnosis
1. The wiring of compressor is incorrect
YES
or the connection is poor;
2. The compressor is damaged
IPM Module is damaged and needs
replacing.
Malfunction
unsolved
the Malfunctions exist also, .
The compressor is damaged
replace a new one
Domestic Air Conditioner
or