Diagnostic Test Mode - Programable Control - Vulcan-Hart VCE10F 126179 Service Manual

ELECTRIC COMBI OVENS - SERVICE PROCEDURES AND ADJUSTMENTS
NOTE: The temperature selected in the table below
will also be the highest starting point temperature
available, when the steam mode is selected.
ELEVATION
(FT)
Sea level to 500
500 to 1000
1,000 to 2,000
2,000 to 3,000
3,000 to 4,000
4,000 to 5,000
5,000 to 6,000
6,000 to 7,000
7,000 to 8,000
8,000 to 9,000
9,000 to 10,000
Above 10,000
8. CCC is displayed in the time display and the
convection temperature limit is displayed in the
temperature display. Press the TEMP UP key
to increase number (482°F to 518°F) and
TEMP DOWN key to decrease number. Set the
temperature to read 518°F. Press the
START/STOP key to advance to the next step.
9. 1 - - is displayed in the time display and the
minimum value for the convection fan motor is
displayed in the temperature display. Press the
TEMP UP key to increase number and TEMP
DOWN key to decrease number. Set according
to Position 1 (minimum) in the table below. If
the value is correct, press the START/STOP
key to advance to the next step.
10. 2 - - is displayed in the time display and a
maximum value for the convection fan motor is
displayed in the temperature display. Press the
TEMP UP key to increase number and the
TEMP DOWN key to decrease number. Set
according to Position 2 (maximum) in the table
below. If the value is correct, press the
START/STOP key to advance to the next step.
TEMPERATURE
(°F)
212
211
209
207
205
204
202
200
198
196
195
194
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CONVECTION FAN
MOTOR TYPE
1 motor Leroy-Somer
(Hanning)
1 motor Brook-Crompton *
2 motors Leroy-Somer
(Hanning)
2 motors Brook-Crompton
1 motor Leroy-Somer
(Hanning) and 1 motor
Brook-Crompton
(*) Ovens are shipped from the factory with this
NOTE:
motor and the oven control is configured
accordingly.
The values correspond to the current limits only
and are not the actual current draw of the motor.
11. If all the values have been entered correctly,
press the OFF key to save the configuration
settings and exit the configuration mode. To
review or change a configuration value press
the START/STOP key to return to step 1.
DIAGNOSTIC TEST MODE -
PROGRAMABLE CONTROL
The test mode can be entered only when the oven is
OFF. The five tests are run in sequence (1 - 5) and
are indicated by the position of the illuminated LED
in the bar graph of the combi mode key.
The test are performed in a fixed sequence of:
1. ROM (automatically)
2. RAM (automatically)
3. Displays and LED's
4. Relays (relay on for max. of 2 seconds)
5. Keypad
To Perform:
1. To enter the test mode press the TEMP, TEMP
UP and TEMP DOWN keys simultaneously for
3 seconds. The word "test" will be displayed in
the temperature display.
2. If a ROM or RAM error is detected, a error
code (01 = ROM and 02 = RAM) will be
displayed on the temperature display and will
repeat until a key is pushed to exit this test. If
no errors are detected, the control advances to
the next test and runs it automatically.
CONVECTION FAN MOTOR
VALUE
POSITION 1 POSITION 2
(MINIMUM) (MAXIMUM)
8 55
8 60
46 120
30 90
38 105