LG GA-B379UVQA User Manual download pdf (Page 12)

TROUBLESHOOTING (Mechanical Part)

-12-

1. COMPRESSOR AND ELECTRIC COMPONENTS

1

2

3

4

5

2

5

5

3

4

5

5

1

4 3

YES

YES

NO

YES

YES

NO

NO

5

YES

NO

YES

Power

Source.

Remove the Relay Assy

from the Compressor

and measure the voltage

between T erminal C of

Compressor and

T erminals M or S of

Relay Assy

No V oltage.

(Rating V oltage

±10%)

±10%)

Replace

Relay Assy

Replace

Relay Assy

O.K.

Advise the customer

to use a regular

T rans.

Replace Compresso r .

OLP works within

30 sec. in forcible

OLP operation by

turning instant power

on and o f f.

Components start in

the voltage of Rating

V oltage ±

Applied voltage isn't

in the range of Rating

Voltage

Check the resistance

among M-C, S-C and

M-S in Motor

Compressor.

Check the resistance of

two terminals in PTC-

Starte r .

Check if applying

a regular OL P .

Measure minimum

starting voltage after 5

min. for balancing cycle

pressure and cooling the

PTC.

Check the

resistance of

Motor

Compresso r .

Check the

resistance of

PTC-Starte r .

Check OL P .

Check

starting state.

10% below

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