Problem

Probable Causes

 

Corrective Action

 

 

 

 

 

 

A. If available, substitute a controller

 

A. Controller has failed.

 

 

known to be working for the

 

 

 

suspect controller.

If the substitute

 

 

 

 

 

controller functions correctly, order

 

 

 

 

 

a new controller.

 

 

 

 

 

 

 

 

B. If the circuitry in the fryer control

Fryer does not heat.

 

 

 

 

system cannot determine the frypot

 

 

 

 

temperature, the system will not

 

 

 

 

 

 

B. One or more other components have

allow the element to be energized

 

or will de-energize the element if it

 

failed.

 

 

 

 

 

 

 

is already energized.

If

the

 

 

 

 

 

 

 

 

 

 

contactor,

element, or

associated

 

 

 

 

 

wiring fails, the element will not

 

 

 

 

 

energize.

 

 

 

 

 

 

 

 

 

 

In fryers equipped with Thermatron

Fryer repeatedly

 

 

 

 

controllers,

burners

cycle

on

cycles on and off when

Fryer is in melt-cycle mode.

 

approximately 5 seconds and off for

first started.

 

 

 

 

15 seconds until the temperature

 

 

 

 

 

reaches 66°C (150°F).

 

 

 

 

 

 

 

 

If available, substitute a controller

 

 

 

 

 

known to be working for the suspect

Fryer heats until high-

 

 

 

 

controller.

If

the

substitute

controller

Temperature probe

or

controller

has

functions

correctly,

order

a

new

limit trips with heat

failed.

 

 

 

controller.

If

the

substitution of

the

indicator ON.

 

 

 

 

 

 

 

controller does not resolve the

 

 

 

 

 

 

 

 

 

 

problem, the most likely cause is a

 

 

 

 

 

failed temperature probe.

 

 

 

 

 

 

 

If available, substitute a controller

 

 

 

 

 

known to be working for the suspect

 

 

 

 

 

controller. If the substitute controller

Fryer heats until high-

Contactor, element

or

controller

has

functions

correctly,

order

a

new

controller

from

FASC.

If

the

limit trips without

failed.

 

 

 

substitution of the controller does not

heat indicator ON.

 

 

 

 

 

 

 

resolve the problem, the most likely

 

 

 

 

 

 

 

 

 

 

cause is a contactor that has failed in

 

 

 

 

 

the closed position or an element that

 

 

 

 

 

has failed.

 

 

 

 

 

 

 

 

 

 

 

The fact that the heat indicator is ON

 

 

 

 

 

indicates that the controller is

Fryer stops heating

 

 

 

 

functioning properly and is calling for

The high-limit thermostat or contactor

heat.

The high-limit thermostat

with heat indicator

functions as a normally closed switch.

ON.

has failed.

 

 

 

If the thermostat fails, the "switch"

 

 

 

 

 

 

 

 

 

opens and power to the elements is

 

 

 

 

 

shut off. If the contactor fails to close,

 

 

 

 

 

no power is supplied to the elements.

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Image 14
Frymaster 1824E manual Fryer repeatedly