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OV500 SERIES RACK OVEN - SERVICE PROCEDURES AND ADJUSTMENTS
OVEN TEMPERATURE SAFETY ALARM
NOTE: Standard feature, no parameter setup
required.
If the temperature at the oven probe is between 570
to 600°F. (299 to 316EC.) for ten seconds, the
controller will do the following:
• Shuts off all oven features.
• Sounds alarm and flashes the Oven Temp
display.
• Display SHdn (shutdown) in the Bake Timer
display.
NOTE: The oven will remain in Oven Temperature
Safety Alarm Mode until the 120Volt supply power is
turned off to the oven.
ADVANCED ENERGY SAVING MODE
The Advanced Energy Saving Mode is NOT the
default setting. The default value for parameter P21
is 0.
NOTE: When P21 is set to 1, Advanced Energy
Saving Mode enabled, the Auto On/Off Time can
only be changed in set up mode. To disable the
Auto On/Off Time P21 must be set to 0, disabled.
The Advanced Energy Saving Mode automatically
starts the oven at the preset time, sets the
temperature to (P2) default of 375°F. (191°C.) and
the timer is set for 60 minutes and running. When the
oven timer is timed out and no buttons are pushed
on the controller for 15 minutes (P17), the Set Back
Mode will be enabled. The oven will beep twice and
the set temperature reduces to (P18) set at 250°F.
(121°C.). If oven is in Set Back Mode set the bake
temperature and timer for 12 minutes and press start
to prepare the oven for baking. When buzzer sounds
the oven is ready to load. The oven will shut down
automatically at the preset time.
1. To enable the Advanced Energy Saving Mode.
A. Oven controller off.
B. Press and hold the Start keypad while
pressing the Power On/Off keypad for 3
seconds.
C. Press the Set Timer Arrows to select
parameter P21.
D. Enable Advanced Energy Saving Mode by
pressing the Bake Timer Up Arrow to
display 1.
E. Press the Set Timer Arrows to select
parameter P17. Set to 15 using Bake
Timer Up/Down Arrows.
F. Press the Set Timer Arrows to select
parameter P18. Set to 250 using Bake
Timer Up/Down Arrows.
G. Press Timer On/Off Keypad so that the
indicator light is illuminated.
H. Consult with Bakery Manager for required
start and end of bake time.
I. Press and hold the Auto On Time keypad
while pressing the Up/Down Arrows to set
the Auto On Time 60 minutes prior to the
requested start of bake time.
J. Press and hold the Auto Off Time keypad
while pressing the Up/Down Arrows to set
the Auto Off Time to the requested end of
bake time.
K. Press the Power On/Off keypad to exit
parameter set up mode.
2. Verify proper operation.
A. When in Set Back Mode the damper
should not open.
Advanced Energy Saving Mode Operation
1. Auto On Time will start the oven automatically
at the set time chosen to a preset set
temperature (P2) default 375°F. (191°C.)
A. Oven will not start up unless:
1) Loading door is closed.
2) Hood system is operating gas units
only. Typical hood systems are wired
to turn on automatically when oven
powers on.
B. Controller will set timer for 60 minutes and
start timer.
C. When timer times out showing 0:00 and
buzzer sounds, the oven is ready to use.
The operator may then change the desired
temperature or time.
2. Set Back Function, P17 & P18.
A. Set Back time P17 is set to 15 minutes.
1) Time shows 0:00 and no other
keypads are pushed for 15 minutes,
controller will automatically set
temperature to 250°F. (121°C.), P18.
Oven will beep twice.
B. Vent damper should remain closed while in
Set Back Mode.
C. Exit Set Back Mode.
1) Set temperature to required bake
temperature.
2) Set timer for 12:00 minutes. Press
start.
3) When buzzer sounds oven is ready
for use.
3. Auto off Time shuts down the oven
automatically at the preset time.
F25361 (January 2010)
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