3-2
TROUBLESHOOTING
Model 810, 812, 820, 822, 828 Series
Troubleshooting
3
General Troubleshooting Guide
Zone IDs: T-F = Top Front, T-R = Top Rear, B-F = Bottom Front, B-M = Bottom Middle, B-R = Bottom Rear
Table 3-1
Problem
Probable Cause
Remedy
1. The heater is not heating or is heating
too slowly. The display reads “CALL
FOR SERVICE - NO HEAT IN ZONE
XX (Zone ID).”
This error message displays when there
is a call for heat but no temperature rise
in 4 minutes.
a. The power cord has come loose or
partially unplugged at wall receptacle.
a. Check the plug receptacle and
reset the connection as needed.
2. One side of the grill will not heat. The
screen displays “CALL SERVICE. NO
HEAT IN ZONE (Zone ID) MAIN
POWER OFF & ON.”
a. The heater is faulty.
a. Replace the heater.
b. The contactor is faulty.
b. Replace the contactor.
c. The circuit breaker may be off or
tripped.
c. Reset the circuit breaker.
d. The high-limit switch is faulty.
d. Replace the high-limit switch.
e. The solid-state relay is faulty.
e. Replace the solid-state relay.
3. The display reads “TOO COOL” (Zone
ID) and will not allow a Cook cycle to
start.
This error message displays when a
zone drops 39 degrees below set point.
a. Loose frozen product (e.g. onions,
shrimp) is being piled on top of the
thermocouples. This can drop the plate
temperature around the
thermocouple causing a fault.
a. Inspect operation and inform the
operator to spread the product to a
uniform thickness. Avoid laying
product directly over the center of
the cook zone (where the
thermocouples are positioned).
b. Frozen whole muscle product (chicken
breast) may cause this fault if too many
are placed on the grill or directly over
the thermocouples.
b. Inspect operation and inform the
operator to reduce the number of
products being laid. Show the
operator how to properly place
product, avoiding placement of
product directly over the
thermocouples.
4. One heat zone will not heat. The display
reads “TOO COOL” (Zone ID).
a. The interface board is faulty.
a. Replace the interface board.
b. The solid-state relay is faulty.
b. Replace the solid-state relay.
c. The control harness is faulty.
c. Replace the control harness.
5. One of the heat zones is overheating.
The display reads “TOO HOT”
(Zone ID).
a. The interface board is faulty.
a. Replace the interface board.
b. The control harness is faulty.
b. Replace the control harness.
c. The solid-state relay is faulty.
c. Replace the solid-state relay.
6. The grill will not turn on when the power
switch is in the ON position.
a. The circuit breaker is off or tripped.
a. Reset the circuit breaker.
b. The power cord is not connected
properly.
b. Reconnect the power cord.
c. The fuse in the control box is faulty.
c. Replace the fuse.
d. The power switch is faulty.
d. Replace the switch.