LG LRSC26980TT Service Manual - Page 78
contact and insertion bad connector
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TROUBLE DIAGNOSIS - 78 - Problems Causes Checks Measures No defrosting Melting fuse blows. 1) Lead wire is cut. 2) Bad soldering. - Check melting fuse with tester. If 0Ω: OK. If ∞Ω: wire is cut. Faullty parts: parts replacement. - Check wire color when maeasuring resistance with a tester. Ice in the Suction duct. 1) Icing by foreign materials in the duct. 2) Icing by cool air inflow through the gap of heater plate. 3) Icing by the gap of heater plate. 1. Check the inner duct with mirror. 1) Turn power off. 2) Raise the front side (door side), support the front side legs, and let the ice melt naturally. (If power is on, melt the frost by forced defrosting.) 2. Check by inserting soft copper 3) Reassemble the heater plate. wire into the duct (soft and thin copper not to impair heating wire). Bad cool air inflow and discharge, 1. Turn on power, open or close the 1) Check the faulty connector of and bad defrosting due to faulty door, check that motor fan housing and reassemble wrongly contact and insertion (bad connector operates (If it operates, motor fan assembled parts. insertion into housing of heater, is OK). 2) If the parts are damaged, melting, fuse, and motor fan). 2. Disconnect parts in the refrigerator remove the parts and replace it compartment, check the connection with a new one. around the housing visually, defrost, and confirm heat generation on the heater. Do not put hands on the sheath heater. 3. Check the parts which have faults described in 1 & 2 (mechanical model: disconnect thermostat from the assembly). Remarks