Part 4 Trouble Shooting

Trouble 2

Product doesn't operate with the remote controller. (9~30kBtu/h Model)

 

 

 

 

 

 

Turn on main power.

 

 

 

 

 

Wait 2 minutes for the compressor to turn on.

When the compressor is stopped stopped, the Indoor Fan is driven by a low speed.

At this point the air speed is not controlled by the remote controller.

(When operated in the Sleeping Mode, the air speed is set to the low speed as force).)

Caused by the remote controller.

When the mark ( ) is displayed in LCD

screen, replace battery.

Caused by other parts except

the remote controller

Check the contact of CN-DISP 1, 2 connector

Check DISP P.C.B Ass'y

-Voltage between CN-DISP1 - : DC +5V

Check point

Check the connecting circuit between MICOM PIN [ and CN-DISP1 PIN

Check receiver ass'y

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Only for training and service purposes

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