Samsung FER710DRS - Page 44

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4. Troubleshooting
SYMPTOM DIAGNOSIS REMEDY
Convection fan is
not rotated.
Check whether Convection fan
relay (Ry08) on sub PCB and
connector(CN01) is in normal.
* Replace or repair Relay.
* Replace or repair connector.
Make sure whether harness between
connector(CN04, CN05) on sub PCB
and connector(CN04, CN05) on main
PCB has been connected normally.
* Replace or repair harness.
* Replace or repair connector.
* Replace sub PCB.
It has smell or
smoke when oven
has been started
initially.
This is in normal state.
* It has smell or smoke with burning dirt in
oven or a foreign substance when oven has
been working initially.
* Ventilate after getting self cleaning mode to
work.
LED display
is a little bit
dim partially or
invisible entirely.
* LED display is inferior. * Replace main PCB.
There is not
buzzer beep
sound when
keypad is being
worked.
Check the state of buzzer on main PCB
and whether PCB pattern have a short
circuit or has been open.
* Replace or repair main PCB.