Samsung NE59J7630SS Service Manual page 37

4. Troubleshooting
SYMPTOM
Make sure that keypad cable on sub
*
PCB is connected correctly.
Keypad is not
working partially *
or entirely PCB is not damaged.
correctly
Check whether sub PCB has not been
*
damaged.
Check the oven lamp relay
*
(RY209, RY212
Oven lamp is not
working.
Measure the resistance value of both
*
ends of lamp terminal.
Check whether Convection fan
*
connected normally.
Convection fan is
not turning.
Make sure whether harness between
*
been connected normally.
smell or smoke
when oven has
This is in normal state.
*
been started
initially.
LED display is
dim or completely LED display is defective.
*
blank.
There is no beep
Check the condition of the buzzer on
*
sound when
Sub PCB and for shorted or opened
keypad buttons
areas.
are pressed.
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DIAGNOSIS
37
REMEDY
*
loosen or disconnected.
*
keypad cable has been loosen or disconnted.
Replace assembly of sub PCB
*
Replace or repair if harness has been loosen
*
or disconnected.
* Replace oven lamp relay(RY209, RY212
Replace Main PCB.
*
* Replace lamp if bulb is faulty.
Replace or repair Relay.
*
Replace or repair connector.
*
Replace or repair harness.
*
Replace or repair connector.
*
Replace Sub PCB.
*
Smell or smoke during initial use comes from
*
burning off oils and soils introduced during
production process. Makes sure area is well
ventilated during initial use.
Replace Sub.
*
* Replace or repair sub PCB.