Troubleshooting Guide - Dean Super Runner 38 Series Installation & Operation Manual

6. TROUBLESHOOTING GUIDE

These troubleshooting procedures must be carried out only be a Factory Authorized Service Center or a
local service company specializing in hotel and restaurant cooking appliances. The problems and
possible solutions given below cover those most commonly encountered.
FOR DETAILED TROUBLESHOOTING AND SERVICE-RELATED INFORMATION, CALL
THE DEAN SERVICE HOTLINE AT 1-800-551-8633.
PROBLEM
Operator hears click sound
when the temperature
controller dial is turned but
vessel remains cold.
evidence that elements are
warming the vessel.
Poor temperature control on
the cold side; excessive
warm-up time; temperature
recovery is slow
inadequate when vessel is
loaded; or uneven heating.
Poor temperature control on
the hot side; excessive
temperature overshooting
during warm-up; scorching;
overheating; or high limit
switch must be reset often.
Figure 6-1
With the power switch "ON":
1. Manually reset the high temperature limit switch (push red button
No on the panel above the drain valve). See Figure 6-1.
2. Check branch or main circuit breakers or fuses are not tripped or
blown.
Check thermostat adjustment:
1. Check that the thermostat bulb/probe in the vessel has not been
knocked loose from its operating position. It should be clamped to
nd
the 2 element with 1/16 inch spacing. See Figure 6-2.
2. Place the sensing bulb of a high quality immersion thermometer
or
about 1-1/2 inches above the thermostat sensing bulb and set the
temperature controller dial to 350°F.
3. Wait at least 30 minutes for the oil temperature to stabilize.
4. If temperature is not within +/- 10°F of the dial setting, call
service for a new operating thermostat/temperature controller.
Check thermostat adjustment:
1. Check that the thermostat bulb/probe in the vessel has not been
knocked loose from its operating position. It should be clamped to
nd
the 2 element with 1/16 inch spacing.
2. Place the sensing bulb of a high quality immersion thermometer
about 1-1/2 inches above the thermostat sensing bulb and set the
temperature controller dial to 350°F.
3. Wait at least 30 minutes for the oil temperature to stabilize.
4. If temperature is not within +/- 10°F of the dial setting, call
service for a new operating thermostat/temperature controller.
High Limit
Reset Switch
Drain
Sensing Bulb in
Valve
CORRECTIVE ACTION
Fryer Vessel
12
Figure 6-2