3–4
4. Press and hold the high-limit test switch in the “2nd” test position until the 2nd High-Limit light
illuminates. Release the switch.
The 2nd High-Limit light should have come on when the temperature was between 430°F and
460°F.
For fryers connected to an external shunt power supply, all fryers should have been shut off
completely and all control panel lights should have been extinguished. For fryers not connected
to an external shunt power supply, only the fryer being tested should have been shut off.
5. Place the controller power switch in the OFF position.
6. Allow the cooking oil to cool to below normal frying temperature. When the power switch is
again placed in the ON position, the elements should re-energize and the operating thermostat
should resume control of the temperature. If the TROUBLE light remains on instead, allow the
oil additional time to cool.