Samsung NE59J7630SS Service Manual page 37

4. Troubleshooting
SYMPTOM
*
Oven temperature
is risen fast.
*
*
The self-cleaning
feature will not
operate when *
warming center
is on.
*
Keypad is not
worked normally
in partially or
*
entirely.
*
Oven lamp is not
working.
*
DIAGNOSIS
Check whtether temperature is risen
in a state of room temperature.
Check whether harness has been
misconnected or have a short circuit.
Measure resistance values of each
heater are within a normal extent or
not.
This is in normal state.
Make sure that keypad cable on
main PCB is in normal state.
Make sure connector (CNP210) on
main PCB or PCB pattern.
Check the oven lamp relay (RY208)
on Main PCB and connector
(CNP210).
Measure the resistance value of both
ends of lamp terminal.
* Replace or repair it if relay on Main PCB or
main have a short circuit.
* Replace or repair harness.
* Replace heater is in a abnormal state.
* The self-cleaning feature will not operate
when warming center is on.
*
been loosen or disconnected.
*
whether keypad cable has been loosen or
disconnted.
* Replace or repair if harness has been
loosen or disconnected.
* Replace oven lamp relay(RY208) or Ry-
source relay.(RY200)
* Replace main PCB.
* Replace lamp if it has been
37
REMEDY