5-18
CONDITION
Convection indicator lights
but oven does not go into
cook cycle when START key
is touched.
F1, F2, F5 is Fail display
Defective circulation motor
wire ass'y.
Check and repair C-Motor wire
ass'y. (COM:YL, 24V:BN, 230V:BL)
CAUSE
TEST PROCEDURE OR
CORRECTION
Defective circulation
MOTOR.
Check and replace
C-Motor.
Defective thermistor. Test procedure thermistor.
Defective Relay 4, 8.
Test procedure relay 4, 8 of
P.C.B.
Thermistor short (F1)
No sensing of
thermistor (F2)
Replace thermistor
High initial temperature of
oven cavity. (F5)
Wait until low temperature of
oven cavity.
Temperature in the oven
cavity is lower or higher than
preset.
Defective relay 3, 4 or relay
8.
Test procedure relay 3, 4 or
relay 8 of P.C.B.
Defective convection heater
element.
Test procedure convection
heater.
Defective grill heater
element.
Test procedure grill heater.
Defective circulation Motor.
Check the rotating of
circulation fan.
Defective or disconnected
thermistor.
Test or replace thermistor.
Defective Solenoid Test or Replace Solenoid
Defective Rectifire ASM
Check Diode(4pcs) or
Replace Rectifire ASM
Defective DAMPER of
Airduct
Check or Repair Damper
Pin and spring.
(TROUBLE 4) Oven does not operate convection cooking
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