Multi Variable Air Conditioners Wall Mounted Type Indoor Unit
14
7.4 Check after the Usage Season
(1) Clean filter and body of air conditioner.
(2) Cut off the main power supply of air conditioner.
8 Table of Error Codes for Indoor Unit
Error
Content
Error
Content
Error
Content
L0 Indoor Unit Error L9
Quantity Of Group Control Indoor
d8 Water Temperature Sensor Error
Indoor Units Incompatibility Error
L2 E-heater Protection LH Low Air Quality Warning dA
Indoor Unit
L3 Water Full Protection LC Outdoor-Indoor Incompatibility Error
dH
Wired Controller Circuit Board
L4
Wired Controller Power
d1 Indoor Unit Circuit Board Error dC Capacity DIP Switch Setting Error
Ambient Temperature Sensor Error
2
No Master Indoor Unit Error
Inlet Pipe Temperature Sensor Error
L8
Power Insufficiency
d6
Outlet Pipe Temperature Sensor
AJ Filter Cleaning Reminding
db
Special Code:
dL Outlet Air Temperature Sensor Error
— —
9 Malfunction Analyzing
Do not repair the air conditioner by yourself for the incorrect repair would lead to electric shock or fire.
Please contact the service center and have the unit repaired by the specialized personnel. Check the
following items before contacting the service center, as it could save your time and cost.
The air conditioner could not start up just after turned
off
.
The over load protection switch of the unit makes it run after 3
minutes delay
.
Odor gave out when the unit just was turned on
.
Odors or cigarette smoke which has been absorbed in is
discharged out.
Slight bicker was heard when the unit was running
.
This is the sound of the running refrigerant
.
Mist came from the air outlet vent when cooling
.
Indoor air is cooled rapidly
.
Creak sound was heard when the unit was running
or after it was turned off
.
It is the sound emitted by the expansion of the panel and other
parts because of the temperature change.
The air conditioner failed to run
.
Is the power supply cut off?
Is the power supply connected?
Is the circuit protector started aside? Is the voltage too high or too
low?
If TIMER had been set on the wireless remote controller?
The cooling (heating) effect of the air conditioner was
not good
.
Is the temperature set properly?
Is the inlet, outlet vent of the outdoor unit blocked?
Is the air filter too dirty to cause blockage?
Are windows and doors closed? Is the air speed too low?
Is there other heat source in the room?