23
Models QS12/QS24
Troubleshooting
General Troubleshooting Guide (Continued)
PROBLEM PROBABLE CAUSE REMEDY
5. The upper platen will not stay
in the raised position.
a. Defective gas filled cylinder(s). a. Replace the cylinder(s).
6. The product is under-cooked,
overcooked, or cooking
unevenly.
a. The release material sheet is
worn.
a. Replace the release material
sheet.
b. The cooking time is incorrect. b. Adjust the cook time
accordingly.
c. The temperature setting is
incorrect.
c. Adjust the temperature setting.
d. The gap setting is incorrect. d. Adjust the gap.
e. The heater is not heating. e. Refer to Problem #2.
f. The upper platen surface has
carbon build-up.
f. Closing procedures must be
followed to remove carbon
build-up.
g. The incorrect item is selected. g. Select the proper item.
h. The platen is not level. h. Refer to the Leveling
Procedures on page 16.
7. The control is displaying a
fault.
a. Refer to the “fault screens”,
page 10.
a. Clear the fault. If action is
ineffective, evaluate the
thermocouple connections and
the relay board.
Control Board and Terminal Cleaning
Under several occasions we have found controls and
thermocouples replaced when faults such as TOO
COOL, TOO HOT, and thermocouple faults are
displayed. We have found that using contact cleaner
on the terminals, connectors, and board surfaces will
clear these problems. If contact cleaner is used,
please be sure all components are DRY before
restoring power to the unit.
This option is suggested prior to component
replacement.