Samsung FTQ387LWGX, Руководство по обслуживанию, Страница: 56 / 68

56
4. Troubleshooting
FIGURE TESTS MEASURE RESULTS
Door Lock Door Lock
*
Measure the state of micro switch
and motor after taking off harness
from the heater.
*
Check whether lock work normally
by pressing cooking time button and
delay start keypad at the same time
for 3 seconds.
*
Lock motor
Resistance : 1750 ~ 1850 Ÿ
(at the room temperature)
voltage : 120V
*
Micro switch
COM-NO
*
Replace or repair if harness has
been loosen or disconnected.
Oven Lamp Socket Oven Lamp Socket
*
First of all, make sure that lamp
¿ lament is disconnected or not.
*
Measure resistance socket ¶ s terminal
after separating harness from heater
and removing lamp.
*
Measure the voltage of socket ¶ s
terminal after having lamp worked by
pressing oven light keypad.
*
Approx : Ÿ
*
Terminal voltage of lamp socket :
120V
*
Replace or repair harness.
*
Replace or repair sub PCB
Convection Fan Convection Fan
*
Measure resistance value of Motor
terminal after taking off harness from
Motor.
*
Measure Voltage of Motor ¶ s terminal
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
*
Convection Fan : 20 ~ 30 Ÿ
*
Sub Fan : 85 ~ 100 Ÿ *
(Upper, Lower)
*
Terminal Voltage of Convection
Fan and Sub Fan : 120V
*
Replace or repair harness
*
Replace or repair Sub PCB
Sub Fan(Lower) Sub Fan(Lower)
Sub Fan(Upper) Sub Fan(Upper)
4-2 Electrical Malfunction
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