LG Therma V AHBW A0 Series

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Trouble Shooting Guide

- 67 -

Only for training and service purposes

LGE Internal Use Only

Check the

unit combination

Check the outdoor

unit max combination

Is it normal ?

Check PCB

Change EEPROM

Check the the

connection port.

Is it normal ?

Yes

Correct connection

Check Flow Chart (CH51)

Check Flow Chart (CH60)

Over capacity

EEPROM

Check sum

• Over capacity

Combination

• Check sum error

• Check the unit capacity.

• Check the combination table.

• Check the connection port.

• Check the poor soldering.

Display

code

Title Cause of error Check point & Normal condition

LG Therma V AHBW A0 Series - Page 67