LG Electronics GR-P257/L257 Trouble Diagnosis, Claims, Causes And Check Points, How To Check

TROUBLE DIAGNOSIS

CLAIMS.	CAUSES AND CHECK POINTS.						HOW TO CHECK
3. Refrigeration	1) Refrigerant Partly leaked.			Weld joint leak.
is weak.	2) Poor defrosting capacity.			Parts leak.
							■ Check visually.
	Drain path (pipe) clogged.		Inject P/U into drain hose.
						Inject through the
						hole.
						Seal with drain.
			Foreign materials		P/U lump input.
			penetration.		Screw input.
					Other foreign materials
					input.
			Cap drain is not disconnected.
	Defrost heater does not	Parts			Heater	Wire is cut.	■ Check terminal
	generate heat.	disconnected.			Sheath	- Lead wire.
							Conduction: OK.
						- Heating wire.
							No conduction: NG.
						- Contact point
							If wire is not cut, refer to
						between heating and
							resistance.
						electric wire.
							P=Power
						Dent by fin evaporator.
							V=Voltage
						Heating wire is corroded
							R=Resistance
						- Water penetration.
						Bad terminal connection.	V2
							P= —
							R
							V2
							R= —
							P

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