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Do elements heat and draw

proper amps?

YES

Do elements continue to heat and

maintain proper temperature (including

during warm-up (melt) cycle?

NO

NO

YES

Probable causes are:

1.Defective heating contactor

2.Defective heating element

3.Broken or defective wiring connection

4.Improper wire connection

Condition normal

Unit stops heating with

HEATING MODE

indicator lit.

Probable causes are:

1.Defective or improperly installed high-limit

2.Defective heating or latching contactor

What are the symptoms?

Unit heats until high-limit trips with HEATING MODE indicator lit.

Probable causes are:

1.Defective (shorted) probe

2.Defective probe circuit

3.Defective controller

Unit heats until high-limit trips without

HEATING MODE

indicator lit.

Probable causes are:

1.Defective heating element

2.Defective heating contactor

3.Improperly-wired element

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Image 49
Frymaster H14 Series service manual From Preceeding