ELECTRIC COMBI OVENS - SERVICE PROCEDURES AND ADJUSTMENTS
SERVICE PROCEDURES AND ADJUSTMENTS
WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST OR MEASUREMENTS WHILE POWER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALL TIMES. IF TEST POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POWER, ATTACH TEST EQUIPMENT AND REAPPLY POWER TO TEST.
CONFIGURATION MODE - PROGRAMABLE CONTROL
WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.
1.Remove the rear panel as outlined under
“COVERS AND PANELS”.
2.Identify the type of convection fan motor(s) on the oven before setting the motor values in step 9 and 10.
3.Reverse procedure to install.
4.
The configuration mode can be entered only when the oven is OFF. Returning to the normal operating mode can be done at any time by pressing the OFF key to save the configuration settings and exit the configuration mode.
To Perform:
1.To enter the configuration mode press the TIME, TIME UP and TIME DOWN keys simultaneously for 3 seconds. In the time display, C and F will be displayed. In the temperature display, “Conf” will be displayed.
2.Press the TIME UP key for Fahrenheit or TIME DOWN key for Celsius. The blinking letter indicates the temperature scale selected. The control will automatically advance to the next step, approximately three seconds after the selection is made. To manually advance to the next step, press the START/STOP key.
3.dSC is displayed in the time display and the number of clean cycles completed (deliming of steam generator) is displayed in the temperature display. The number cannot be changed or modified. Press the START/STOP key to advance to the next step.
4.The EPROM revision level is displayed in the time display and “Conf” is displayed in the temperature display. To verify the EPROM is at the current revision level, refer to the Technical Service Bulletins. Press the START/STOP key to advance to the next step.
5.HHH is displayed in the time display and the total cooking hours of the oven is displayed in the temperature display. Press the TEMP UP key to increase number of hours or the TEMP DOWN key to decrease the number of hours. If the current number of hours is acceptable, press START/STOP key to advance to the next step.
NOTE: If a configuration parameter is selected and not changed within 3 seconds, the control will automatically advance to the next step without pressing the START/STOP key.
6.bbb flashes and is displayed in the time display, the frequency number is displayed in the temperature display and the buzzer should be sounding. Press the TEMP UP or TEMP DOWN keys to set the buzzer frequency (000 = continuous and 255 = very slow intervals) number. A good setting to start with is 050 or any number that is preferable to the customer. If the setting is acceptable, press the START/STOP key to advance to the next step.
7.uuu is displayed in the time display and the steam temperature setting is displayed in the temperature display. The steam temperature setting is the boiling point adjustment for elevation and must be set to achieve optimum results. Press the TEMP UP key to increase number or TEMP DOWN key to decrease number. Set the temperature according to the table below. Press the START/STOP key to advance to the next step.
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