Lg Electronics LS-Q096ADG Manual Do Utilizador

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Turn off Main Power

Turn on Main Power

Does "beeping" sound is made from the Indoor Unit?

Primarily, the operating condition of Micom is OK.

Check the voltage of power(About AC 220V, 60Hz)

(About AC 220/240V, 50Hz)

• Main power's voltage
• Voltage applied to the unit
• Connecting method of Indoor/Outdoor connecting

cable

• Check PWB Assembly

- Fuse
- Pattern damage
- Varistor(ZNR01J)

Check the connection housing for contacting

• Connector related to CN-TAB1, RY-COMP NO.3
• Connector related to CN-MOTOR
• Connector contacting of Outdoor Fan/Compressor
• Display PWB Assembly Check

Check each load(Indoor/Outdoor Fan Motor, Com-
pressor,

Stepping

Motor)

and

contacting

condition of related connector

Main PCB Board Operation Check

Items

• SMPS Transformer

(Indoor unit)
- Input Voltage
- Output Voltage(ZD02D)

• IC04D(7805) Output

(Indoor/Outdoor unit)

• IC01A(KIA7036, Reset IC)

X01(8MHz)

• Replace Trans

• Replace IC04D

• Replace faulty parts

- About AC220V/240V±10% - Check the power voltage
- About DC12V

• DC +5V

• Voltage of Micom No. 2,

(DC +4.5V over) and Soldering condition.

Content

Remedy

NO

YES

(After 10 seconds)