3-4
TROUBLESHOOTING
Model 810, 812, 820, 822, 828 Series
Troubleshooting
3
12. Platen is not parallel to the lower plate
when raising or lowering, smashing the
meat in the front or back of the cook
zone.
a. Carbon buildup will cause the platen to
bind and not cook properly (the front or
back of the platen remains too high
during the Cook cycle) or will not return
Home. The motor will activate and try
to push through the carbon, causing
motor failure and broken cables.
a. Inspect the platen for carbon build
up around the grease shields.
Remove the carbon.
b. Remove the platen cover and
inspect the cables. Replace any
broken cables.
c. With the platen cover off, watch
the motor move from Home to
cook gap. Check the motor to see
if it is struggling or slipping to
return to the Home position.
Replace the stepper motor, if
broken.
13. The platen will not lower to the preset
gap height.
a. Defective stepper motor.
a. Replace the stepper motor.
b. Defective cable(s).
b. Replace the cable(s).
c. Defective motor control board.
c. Replace the motor control board.
d. Control harness is loose or faulty.
d. Replace the control harness.
e. Main display controller is faulty.
e. Replace main display controller.
f. Excessive carbon buildup on the
shields.
f. Remove the carbon buildup.
14. The product is undercooked or
overcooked.
a. The release material sheet is worn.
a. Replace the release sheet.
b. Incorrect cooking time.
b. Reset the processor control for the
correct time (check the Operations
and Training Manual).
c. Incorrect temperature.
c. Adjust the processor control to the
proper setting.
d. Product is out of specification.
d. Product must be within
specification (proper thickness,
shape, etc.).
e. Product may have accumulated ice
crystals.
e. Ensure that open boxes are kept
closed and that all product is
covered during storage.
f. The preset gap height is incorrect.
f. Re-gap the grill.
g. The heating zone is not heating.
g. Repair/replace the heater.
h. Cooking procedures may have been
followed incorrectly.
h. Ensure that the product was
removed immediately after the
Cook cycle ended. Verify that the
correct product was selected from
the main menu screen.
Problem
Probable Cause
Remedy