Vulcan-Hart 126172 Service Manual Download

Page: 27 / 68

ELECTRIC COMBI OVENS - SERVICE PROCEDURES AND ADJUSTMENTS

Page 27 of 68

dSCL 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 TIME key to
advance to the next step.

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 latest
Technical Service Bulletins. Press the TIME
key to advance to the next step.

HHHH is displayed in the time display and the
total cooking hours of the oven is displayed in
the temperature display. Rotate the adjustment
knob counterclockwise to decrease number of
hours and clockwise to increase number of
hours. If the current number of hours is
acceptable, press the TIME key to advance to
the next step.

bbbb flashes and is displayed in the TIME
display, the frequency number is displayed in
the temperature display and the buzzer should
be sounding. Rotate the adjustment knob
counterclockwise to decrease buzzer frequency
and clockwise to increase 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
TIME key to advance to the next step.

uuuu 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. Rotate the adjustment knob
counterclockwise to decrease and clockwise to
increase. Set the temperature according to the
table below. Press the TIME key to advance to
the next step.

NOTE: The steam temperature setting will also be
the initial cavity set point temperature and the
maximum cavity temperature that can be set, when
the steam mode is selected.

ELEVATION

(FT)

TEMPERATURE

(°F)

Sea level to 500

212

500 to 1000

211

1,000 to 2,000

209

2,000 to 3,000

207

3,000 to 4,000

205

4,000 to 5,000

204

5,000 to 6,000

202

6,000 to 7,000

200

7,000 to 8,000

198

8,000 to 9,000

196

9,000 to 10,000

195

Above 10,000

194

CCCC is displayed in the time display and the
convection temperature limit is displayed in the
temperature display. Rotate the adjustment
knob counterclockwise to decrease (482°F to
518°F) and clockwise to increase number. Set
the temperature to read 518°F. Press the TIME
key to advance to the next step.

1 - - is displayed in the time display and the
minimum value for the convection fan motor is
displayed in the temperature display. Rotate
the adjustment knob counterclockwise to
decrease and clockwise to increase number.
Set according to Position 1 (minimum) in the
table below. If the value is correct, press the
TIME 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. Rotate
the adjustment knob counterclockwise to
decrease and clockwise to increase number.
Set according to Position 2 (maximum) in the
table below. If the value is correct, press the
TIME key to advance to the next step.