Haier R410A 用户手册

Self-diagnosis function

- 101 -

LGE Internal Use Only

* If there is no remote controller to replace : Use another unit’s remote controller doing well

** Check cable : Contact failure of connected portion or extension of cable are main cause

Check any surrounded noise ( check the distance with main power cable)
➔ make safe distance from the devices generate electromagnetic wave

*** After replacing indoor unit PCB, do Auto Addressing & input unit’s address if connected to central controller.

(All the indoor units connected should be turned on before Auto Addressing

No transmission between cabled
remote controller & indoor unit

Error

No.

Error Type

Error Point

Main Reasons

The remote controller
did not receive the sig-
nal from indoor unit
during specific time

1. Remote controller fault

2. Indoor unit PCB fault

3. Connector fault, Wrong connection

4. transmission cable problem

■ Error diagnosis and countermeasure flow chart

CN-REMO : Remote controller connection

❇

The PCB can differ from model to model.

Check from the right source.

Checking transmission cable connection status

Does the error happens

again if the remote

controller is replaced?*

Does the error occurred

when the cable of remote

controller is replaced?

Replace cabled remote

controller

Check connection &
transmission cable **

Replace indoor unit PCB ***

Yes