LG Electronics LA120HPI Air Conditioner User Manual


 
70 Room Air Conditioner
Troubleshooting Guide
OUTDOOR UNIT
Connector Type
Condition
OPEN
PWB pattern is damaged when applying the power.
Connecting reversely
Connecting reversely
OPEN
OPEN
OPEN
OPEN
Connecting error
( )
Connecting error
( )
Connecting error
( )
Connecting error
( )
Connecting error
(
)
Connecting error
( )
All functions stop.
The operation with the remote controller, forced and
test one do not operate.
All functions stop.
The operation with the remote controller, forced and
test one do not operate.
The Indoor Fan does not operate.
The signal of remote controller is inputted, but the
product does not operate.
The RED indicator of outdoor unit and the operation
indicator of indoor one blinks 5 times after 2 minutes
with applying the power.
No power for Indoor unit.
The signal input of the remote controller and opera-
tion of product is impossible.
The thermal protector of the Power Trans operates
when let it alone for long time.
The signal of the remote controller is inputted.
The fuse and Q61 in the Outdoor unit are damaged
when the indoor fan is operated.
No power for Indoor unit.
The signal input of the remote controller and opera-
tion of product is impossible.
The RED indicator of the Outdoor unit blinks 5 times
after 2 minutes with applying the power.
All functions stop.
The operation with the remote controller, forced and test
one do not operate.
The only signal of remote controller operation/stop is
inputted, but the product does not operate.
The RED indicator of outdoor unit blinks 5 times after 2
minutes with applying the power.
The beep sound, such as "beep, beep, beep, beep,
beep", occurs periodically in Indoor unit.
The signal input of a remote controller and operation of
product is impossible.
The RED indicator blinks 5 times after 2 minutes with
applying the power.
All functions stop or the compressor does not operate.
The operation with the remote controller, forced and test
one do not operate.
All functions stop.
The operation with the remote controller, forced and test
one do not operate.
CN-POWER
RY-COMP
terminal
CN-TRANS
CN-FAN
The connecting
wire of CN-
DC/DC, and
Indoor and
Outdoor Unit
Blue
Black
Brown
Red
Phenomena