LG GR-642APA, Service Manual

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CLASSIFICATION STATE OF TROUBLE POINT BE CHECKED CHECKING METHOD CONTENT REMEDY
COOLING is poor. REFRIGERATOR 1. FREEZER TEMPERATURE See "FREEZER Certify the attaching state
TEMPERATURE is is normal? TEMPERATURE is poor". of DOOR.
poor. 2. Cool air of FAN MOTOR is Certify the amount of cool air FAN MOTOR is poor. Replace FAN MOTOR.
is sufficient? and its speed touching check Passage of cool air blocking. Remove impurities.
supplied into
REFRIGERATOR EVA frozen. See "DEFROSTING is poor".
DEFROSTING is NO DEFROSTING. 1. HEATER emit heat? PRESS TEST KEY on MAIN HEATER disconnection. Replace HEATER.
poor. on MAIN PWB three times.
(forced DEFROSTING) TEMPERATURE FUSE Replace TEMPERATURE
disconnection. FUSE.
Connection is poor. Certify EVA connection and
wire of MAIN PWB
CONNECTOR
DEF-SENSOR is poor. Replace DEF-SENSOR.
HEATER RELAY is poor. Replace RY5 of MAIN PWB.
2. DRAIN PIPE blocking? Certify DRAIN PIPE. DRAIN PIPE blocking. Remove ice and impurities.
Certify HEATER PLATE
resistance.
3. Remain ice at Certify the attaching Attaching is poor. Reassemble DEF-SENSOR.
DEFROSTING? of DEF-SENSOR.
Certify the attaching DOOR sticking is poor. Reassemble DOOR.
state(gap) of FREEZER/ Replace GASKET.
REFRIGERATOR DOOR.