Operational Information
3-19
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DIAGNOSTIC MODE
Diagnostic Mode allows the Service Technician to
inspect the functionality of the Oven Controller and
Relay boards. Entering a key combination on the dis-
play panel will allow the Service Technician to enter
Diagnostic Mode.
In Diagnostic Mode the last seven
errors that have
occurred to the oven controlling all the relays on the
relay board and controller feedback of temperature and
switches will be displayed.
The Electronic Control Housing will display last error
code recorded in the Cook Time digit area, with Stop
Time digits displaying the number that the error was
recorded, number 1 being the most recent. The soft-
ware version will be displayed in the Time of Day digits
and current oven cavity temperature will be shown in
the display window of the Oven Temperature Control
Knob.
Initiating Diagnostic Mode
To initiate Diagnostic Mode, oven control knob bezel
must be in the OFF position. Now, press and hold
CLOCK key and TIMER key for 3 seconds. (See
Figure 3-60 ). The ambient cavity temperature will be
displayed in the temperature readout knob. Now, turn
the oven temperature readout knob to the right seven
separate times, this will toggle from error code 1 thru 7.
(See Figure 3-62 ). To return to error code number
one, turn oven temperature readout knob to the left
seven separate times. (See Figure 3-63 ). The soft-
ware version will be displayed in the hours and minutes
display of the clock. (See Figure 3-64 ).
NOTE: Once diagnostic mode is entered, there is a 2
minute time out, which is restarted each time a key is
pressed.
To clear error codes once unit has been fixed, press the
CLEAR key.
To exit Diagnostic Mode, press the ENTER key.
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