Service Test Mode - GE Advantium 240 Technical Service Manual

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GLASS TOUCH PANEL TEST
If necessary the glass touch panel pads can be
verifi ed by a continuity test. For ease of handling,
the control panel should be removed and placed on
a fl at surface. Check continuity between patterns of
the CN 14 on smart board.
PAD CONN. (CN14)
HELP
BACK
CLEAR / OFF
FAVORITE
RECIPES
OPTIONS
TIMER
POWER /
TEMP
START /
PAUSE
PAD CONN. (CN14)
1 and 5 DEFROST
1 and 6 EXPRESS
1 and 7 BAKE /
BROIL
1 and 8
SPEED COOK
2 and 5 REHEAT
2 and 6 CUSTOM
SPEED COOK
2 and 7
WARM /
PROOF
2 and 8
COOK

Service Test Mode

Remove any trays (metal or glass) from the oven
before starting the diagnostic mode and make sure
that the door is closed. Removing the trays will allow
you to see the operation of the turntable motor
and the lower ceramic heater. Closing the door will
make sure that all loads (i.e. the halogen lamps and
magnetron) can be energized. Note that all safety
components remain active in the service mode.
To start the service/diagnostics mode press the
SPEED COOK
exit the service/diagnostics mode press the
key.
OFF
Upon entering into Field Service Mode, "
" is displayed.
MODE ON
S E R V I
3 and 5
3 and 6
O N
3 and 7
3 and 8
4 and 5
4 and 6
The main control will then automatically check the
4 and 7
following:
4 and 8
1. The upper thermal sensor if open or shorted.
2. The humidity sensor for any fault condition.
3. That the cavity temperature did not go above
the set temperature for more than 30 minutes
during a bake cycle.
4. The lower thermal sensor if open or shorted.
" " will display if the thermal sensors are not open
OK
or shorted and the humidity sensor is not faulty.
The control will then verify that the 3 sets of
EEPROM data are correct and will display the
voltage compensation set value.
Any defect of the humidity sensor will display
*
OPEN.
– 49 –
pad and the for 3 seconds. To
KNOB
C E M O D E
(
Continued Next Page
CLEAR/
SERVICE
*
)