45
4. Troubleshooting
FIGURE
TESTS MEASURE
RESULTS
*
Measure the state of micro switch
and motor after taking off harness
from the heater.
*
Check whether the lock works
normally by pressing cooking time
button and delay start keypad at the
same time for 3 seconds.
*
Lock motor
5HVLVWDQFHa
(at the room temperature)
voltage : 120V
*
Micro switch
COM-NO
*
Replace or repair if harness has
been loosen or disconnected.
*
First of all, make sure that lamp
¿ODPHQWLVGLVFRQQHFWHGRUQRW
*
0HDVXUHUHVLVWDQFHVRFNHW¶VWHUPLQDO
after separating harness from heater
and removing lamp.
*
Measure the voltage at the lamp
sockets terminal, after turning on the
Lamp by pressing the Oven light on
the main keypad.
*
Approx :
*
Terminal voltage of lamp socket :
120V
*
Replace or repair harness.
*
Replace or repair sub PCB
Upper Convection Fan
Upper Convection Fan
Lower Convection Fan
Lower Convection Fan
*
Measure resistance value of Motor
terminal after taking off harness from
Motor.
*
0HDVXUH9ROWDJHRI0RWRU¶VWHUPLQDO
after making oven work by pressing
bake keypad.
(Make sure that voltage has to be
measured for more than 1 minute
because Fan is supposed to on-off
Cycling work.)
Approx
*
&RQYHFWLRQ)DQaȍ
*
Terminal Voltage of Convection
Fan : 120V
*
Replace or repair harness
*
Replace or repair main PCB.
4-2 Electrical Malfunction
