6-4
6.2.2 Error Messages and Display Problems
Problem
Probable Causes
Corrective Action
Controller trouble
light ON.
Oil temperature above acceptable
range or a problem with the
temperature measuring circuitry.
This in an indication of a
malfunction in the temperature
measuring or control circuitry,
including a failure of the high limit
thermostat. Determining the
specific problem is beyond the
scope of operator troubleshooting.
Shut the fryer down immediately.
Controller trouble
light ON and heating
mode light ON.
Problem with latching circuitry.
The problem is within the latching
circuitry and is beyond the scope
of operator troubleshooting. Shut
the fryer down immediately.
6.3
Replacing the Controller or Controller Cable
1.
Disconnect the fryer from the electrical supply, remove the two screws in the upper corners of
the control panel assembly and swing the assembly open from the top.
Remove screws from
upper corners of control
panel assembly and allow
assembly to swing down.
Heat Shield
Ground Wire Terminal
2.
Remove the two screws that secure the assembly into the cabinet and pull the assembly out of the
fryer.
3.
Disconnect the controller cable from the back of the controller.
4.
If replacing the controller cable
, disconnect it from the front of the contactor box and cut the
wire ties that secure it to the wiring bundle. Route the replacement cable, secure it in place with
wire ties, and connect it to the controller and the contactor box connections. Reverse steps 1 and
2 to complete the procedure.
5.
If replacing the controller
, disconnect the ground wire from the terminal on the back of the
controller, remove the heat shield from the controller, and remove the controller from the bezel.
Install the new controller on the bezel, re-install the heat shield, and reconnect the ground wire
and controller cable to the controller. Reverse steps 1 and 2 to complete the procedure.