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
8. Faulty lamp	1) Lamp problem.			Filament blows out.
(freezer and				Glass is broken.
refrigerator	2) Bad lamp assembly.			Not inserted.
compartment).	3) Bad lamp socket.			Loosened by vibration.
		Disconnection.		Bad soldering.
				Bad rivet contact.
		Short.		Water penetration.	Low water
					level	in tray.
		Bad elasticity of contact.
		Bad contact(corrosion).
	4) Door switch.		Its own defect.
			Refrigerator and freezer switch is reversed.
			Travlel distance.
			Bad connection.
			Bad terminal contact.
			P/U liquid leak..

9. Faulty internal	1) Lead wire is damaged.
						■ Connect conduction and
voltage(short).		Wire damage when assembling P.T.C. Cover.				non-conduction parts and
		Outlet burr in the bottom plate.				check with tester.
		Pressed by cord heater. lead wire, evaporator pipe.				Conduction: NG.
	2) Exposed terminal.					Resistance∞: OK.
		Compressor Compartment terminal. - Touching other
				components.
		Freezer compartment terminal. - Touching evaporator pipe.
	3) Faulty parts.
		Transformer.	Coil contacts cover.
			Welded terminal parts contact cover.
		Compressor.	Bad coil insulation.
		Plate heater.
		Melting fuse.	Sealing is broken.		Moisture penetration.
		Cord heater.	Pipe damaged.		Moisture penetration.
		Sheath heater.	Bad sealing.

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