Frymaster Electric Fryer operation manual Troubleshooting Guide, Problem, Corrective Action

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 (USA/Canada only) or 1-318-865-1711.

	PROBLEM						CORRECTIVE ACTION
Operator hears click sound						With the power switch “ON”:
when	the	temperature				1.	Manually reset the high temperature limit switch (push red button
controller dial is turned but
vessel	remains		cold.		No		on the panel above the drain valve). See Figure 6-1.
evidence that elements are						2.	Check branch or main circuit breakers or fuses are not tripped or
warming the vessel.							blown.
						Check thermostat adjustment:
						1.	Check that the thermostat bulb/probe in the vessel has not been
Poor	temperature			control			knocked loose from its operating position. It should be clamped
on the cold side; excessive							to the 2nd element with 1.5 mm (1/16 inch) spacing. See Figure
warm-up time; temperature							6-2.
recovery		is	slow		or	2.	Place the sensing bulb of a high quality immersion thermometer
inadequate		when		vessel is			about 38 mm (1-1/2 inches) above the thermostat sensing bulb
loaded; or uneven heating.						3.	and set the temperature controller dial to 177°C (350°F).
							Wait at least 30 minutes for the oil temperature to stabilize.
						4.	If temperature is not within +/- 5°C (10°F) of the dial setting, call
							service for a new operating thermostat/temperature controller.
						Check thermostat adjustment:
Poor	temperature			control		1.	Check that the thermostat bulb/probe in the vessel has not been
							knocked loose from its operating position. It should be clamped
on the	hot	side; excessive
							nd
temperature		overshooting					to the 2 element with 1.5 mm (1/16 inch) spacing.
						2.	Place the sensing bulb of a high quality immersion thermometer
during warm-up; scorching;
							about 38 mm (1-1/2 inches) above the thermostat sensing bulb
overheating; or			high		limit
							and set the temperature controller dial to 177°C (350°F).
switch must be reset often.
						3.	Wait at least 30 minutes for the oil temperature to stabilize.
						4.	If temperature is not within +/- 5°C (10°F) of the dial setting, call
							service for a new operating thermostat/temperature controller.

Figure 6-1

High Limit

Reset Switch

Drain

Valve Sensing Bulb in

Fryer Vessel

13

Figure 6-2