41
Model 811, 813, 819, 821 Series Troubleshooting Guide
130201
PROBLEM PROBABLE CAUSE REMEDY
13. The product is not cooking
evenly. a. The upper platen or lower grill
surface is not clean and/or has
carbon build-up.
a. Follow closing procedures to
properly clean the upper platen
and the lower grill surface and
to remove carbon build-up.
b. There is a grease or carbon
build-up on the bottom of the
upper platen handles.
b. Follow closing procedures to
properly clean and remove
carbon build-up from the
bottom of the platen handles.
c. The release sheet is worn. c. Replace release sheet.
d. The product is out of
specification. d. Product must be within
specification (proper thickness,
shape, etc.).
e.Theplatenisnotlevel. e. Call a service technician.
f. The preset gap height is
incorrect. f. Call a service technician.
g. Air pressure is not high
enough. g. Call a service technician.
14. The display reads “PROBE
OPEN” and displays the
specific zone.
a. The thermocouple or the
thermocouple interface board
is faulty.
a. Call a service technician.
15. The display reads ���HOME
SWITCH STUCK ON.” a. Two sided cooking options are
blocked. a. Turn the control off and then
back on to clear the fault.
b. Defective stepper motor. b. Call a service technician.
c. Defective stepper motor wire
harness. c. Call a service technician.
d. Defective home switch. d. Call a service technician.
e. Defective motor control. e. Call a service technician.
16. The display reads “HOME
SWITCH NOT SEEN.” a. Defective motor contr ol. a. Call a service technician.
b. Defective stepper motor. b. Call a service technician.
c. Defective stepper motor wire
harness. c. Call a service technician.
d. Defective home switch. d. Call a service technician.
e. Broken platen cable. e. Call a service technician.