Haier 1U09AP2VHA User Manual

ERROR CODES & PROBLEM SOLVING
PAGE 37
ENGLISH
Loss of Synchronism Detection
Outdoor Display
LED1 Flashes 18 or 19 Times
Spare Parts:
Compressor
Power module
1. The compressor wiring is
incorrect or has bad connections
2. The compressor is damaged
Turn the unit on.
Does the compressor start?
The compressor starts, but soon stops.
LED1 on the outdoor PCB starts blinking
18/19 times at a 1Hz rate
The power module is faulty,
replace the power module
The compressor is faulty,
replace the compressor
Yes
Yes
Problem Remains
No
Indoor Unit Overload in Heating Mode
Outdoor Display
LED1 Flashes 18 Times
Spare Parts:
Indoor pipe sensor
Indoor PCB
Refrigerant
Recharge to specications
1. The pipe sensor is faulty
2. The indoor PCB is faulty
Clean the air lter
Check the system refrigerant
charge.
Is it over or under charged?
Is the malfunction reported after the unit
has been operating for a period of time
Is the indoor air lter dirty?
No
No
Yes
Yes
Yes

Haier 1U09AP2VHA Specifications

General

Brand	Haier
Model	1U09AP2VHA
Category	Air Conditioner
Language	English