Samsung FER710DRS - Page 43

43
4. Troubleshooting
SYMPTOM DIAGNOSIS REMEDY
Oven temperature
is risen fast.
* Check whether temperature is risen
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in a state of room temperature.
* Replace or repair it if relay on sub PCB or
main have a short circuit.
* Check whether harness has been
misconnected or have a short circuit.
* Replace or repair harness.
* Measure resistance values of each
heater are within a normal extent or
not.
* Replace heater is in a abnormal state.
The self-cleaning
feature will not
operate when
warming center or
warming drawer
is on.
* This is in normal state.
* The self-cleaning feature will not operate
when warming center or warming drawer
is on.
Keypad is not
worked normally
in partially or
entirely.
Make sure that keypad cable on touch
PCB is in normal state.
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been loosen or disconnected.
Make sure connector (CN07) on main
PCB or PCB pattern.
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keypad cable has been loosen or disconnted.
Check whether touch control PCB has
been damaged.
* Replace assembly of touch control pcb.
( PCB + Glass touch)
Warmer drawer
heating is not
working.
* Check warmer drawer relay (Ry06)
on sub PCB and terminal(T03).
* Replace terminal(T03) or relay(Ry06).
* Replace sub PCB.
* Measure whether resistance value
of warmer drawer heater is in normal
extent or not.
* Replace warmer drawer heater.
Oven lamp is not
working.
* Check the oven lamp relay (Ry09) on
sub PCB and connector (CN01).
* Replace or repair if harness has been
loosen or disconnected.
* Replace oven lamp relay(Ry09) or Ry-
source relay.(Ry01)
* Replace Sub PCB.
Measure the resistance value of both
ends of lamp terminal.
* Replace lamp if it has been disconnected.
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