LG MH-1355M, Руководство по обслуживанию

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CONVECTION
CONDITION CAUSE
TEST PROCEDURE OR
CORRECTION
CONV. indicator lights, but oven
does not go into cook cycle
when START pad is touched.
Defective relay 2 of P.C.B.
Test procedure relay 2 of
P.C.B. (See page 40.)
Child Lock is set.
This is not a defect.
Touch “0” key pad till a beep
sounds. (See page 14.)
Defective thermistor.
Test procedure thermistor.
(See page 40.)
Open or loose wire connection
to the above components.
Check and repair wiring.
Open or loose connection to
P.C.B.
Check and repair wiring.
Temperature in the oven cavity
is lower or higher than preset.
Defective convection heater
element.
Test procedure relay 4 and 2 of
P.C.B. (See page 40.)
Defective relay 4 or 2 of P.C.B.
Defective thermistor.
Test procedure convection
heater. (See page 39.)
Defective circulation motor.
Test procedure thermistor.
(See page 40.)
Defective drive mechanism of
circulation fan.
Test procedure circulation
motor. (See page 38.)
Defective Solenoid.
Check and repair.
Defective air duct assembly.
Test procedure solenoid.
(See page 39.)
Check and repair.
NOTE : • MAKE SURE THE WIRE LEADS CORRECTLY POSITIONED.
• WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE CONNECTOR, AND NOT
THE WIRES.
• WHEN REMOVING THE MAGNETRON, BE SURE TO INSTALL THE MAGNETRON GASKET IN THE CORRECT
POSITION AND GOOD CONDITION.