Samsung FER710DRS Service Manual page 47

4. Troubleshooting
4-2 Electrical Malfunction
Component testing procedures
WARNING
ELECTRICAL SHOCK HAZARD
Disconnect power before servicing the range. Replace all panels before operating range.
Failure to do so can result in death or electrical shock.
FIGURE
Broil Heater Broil Heater
Bake Heater Bake Heater
C C ti ti H H t t
TESTS MEASURE
* Measure resistance values of
harness from heater.
*
after making oven work by pressing
broil keypad.
* Measure resistance values of
harness from heater.
*
after making oven work by pressing
bake keypad. (Make sure that
voltage has to be measured for more
than 1 minute because heater is
supposed to on-off cycling work.)
* Measure the resistance values of
harness from heater.
*
terminal after having oven worked,
by pressing convection bake keypad.
(Make sure that voltage has to be
measured for more than 1 minute
because heater is supposed to on-off
cycling work.)
* Measure the resistance of values of
heater, after taking off harness from
heater.
* Measure the terminal voltage of
heater after making oven work by
pressing warming drawer keypad.
47
RESULTS
*
(at the room temperature)
* Terminal voltage of Broil heater :
AC 240V
* Replace or repair harness
* Replace or repair sub PCB
*
(at the room temperature)
* Terminal voltage of bake heater :
AC 240V
* Replace or repair harness
* Replace or repair sub PCB
*
temperature)
* Terminal voltage of convection
heater : AC 240V
* Replace or repair harness
* Replace or repair sub PCB
*
(at the room temperature)
* Terminal voltage of Drawer
heater : AC 120V
* Replace or repaire harness
* Replace or repaire sub PCB