15
(3)
Check if the batteries in the wireless remote controller have been replaced.
(4)
Check if the air filter has been installed properly
In order to start up the air conditioner smoothly after it has been turned off for a long time
period, energize the unit 8 hours before turning it on.
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
Code
Content
Error
Code
Content
Error
Code
Content
L0 Indoor Unit Error L9
Quantity Of Group Control Indoor
Units Setting Error
d8 Water Temperature Sensor Error
L1 Indoor Fan Protection LA Indoor Units Incompatibility Error d9 Jumper Cap Error
L2 E-heater Protection LH Low Air Quality Warning dA
Indoor Unit
Network Address Error
L3 Water Full Protection LC
Outdoor-Indoor Incompatibility
Error
dH
Wired Controller Circuit Board
Error
L4
Wired Controller Power
Supply Error
d1 Indoor Unit Circuit Board Error dC
Capacity DIP Switch Setting
Error
L5 Anti-freezing Protection d3 Ambient Temperature Sensor Error dE Indoor Unit CO
2
Sensor Error
L7 No Master Indoor Unit Error d4
Inlet Pipe Temperature Sensor
Error
C0 Communication Error
L8
Power Insufficiency
Protection
d6
Outlet Pipe Temperature Sensor
Error
AJ Filter Cleaning Reminding
db
Special Code:
Project Debugging Code
dL
Outlet Air Temperature Sensor
Error
9 Malfunction Analyzing
Warning:
Do not repair the air conditioner by yourself for the incorrect repair would lead to electric
shockor 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.
Malfunction Phenomena Malfunction Analyzing
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
High Wall Type Indoor Unit
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