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Symptom
Power Button on Digital Controller
face is depressed but doesn't turn
on.
Digital Controller's LED's are
scrambled or randomly irratic. If
when turning on, the display will
first go to segment check
Digital Controller on startup goes
through LED segment check (8888)
then to version # and then loops
back to to the above reboot.
Digital display shows PROB. No
heat on Upper Platen or Lower
Platen.
When depressing the tactile button
on Digital Controller, nothing
happens.
Digital display shows Relay and
Particular zone is over heating or
outer zone).
Beeper not functioning or
intermitten beeper sound.
If setpoint is reached but slighty off
in temperature.
DOUGHPRO
DP2000 Trouble Shooting Guide
Probable Cause
Power Cord is not plugged in.
Circuit Breaker is tripped off in the
site's breaker box
Transformer has taken a electrical
surge and is damaged
Check voltage on the secondary side
of the Transformer. If you read
12VDC then you are receiving voltage
to the Controller.
Possibly blown Fuse
Possibly a componet on the Digital
Controller is damaged
Possibly control needs to reset
The relay driver on the digital control
may be blown.
Sensor lost it's continuity as shown
on a muti-meter.
The tactile buttons under the overlay
may be not close enough to activate.
Same goes if the buttons are already
pressed by overlay without
depressing button.
The Relay on the switched side is not
opening to regulate temperture.
Beeper on Digital Control board
failed.
Offset may need to be calibrated and
adjusted.
Action to be Taken
Plug power cord into wall 's receptacle
and depress power button on
controller
Reset circuit breaker that the Grill is
plugged into. Depress Power Button to
turn on.
Replace Transformer after you check
secondary side of transformer. If
working properly, you should receive
12vdc.
Replace Controller. Controller should
be on once the power button is
depressed.
Replace fuse.
Replace Digital Controller
While unit is on (controller lit up)
Unplug unit, wait for 1 min. then plug
machine on and depress power button.
Replace Digital Controller.
Disconnect prob that is open (no
continuity as shown on a multi-meter.
Must replace Sensor (RTD). Do not cut
and splice new sensor. Install new
2000 ohm RTD sensor to under side of
Heat Platen and reconnect to
Controller.
Carefully (no too much at one time to
avoid fracturing the traces on the
Controller) tighten the nuts on the
back of the Controller until button
activate. Same goes in reverse if
buttons are held down by the overlay.
Replace the Relay.
Replace Digital Controller board
Must call (800) 624-6717 ext. 129 for
confidential instructions.
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