
CONTINUED FROM
PRECEEDING PAGE
Do elements heat and draw
proper amps?
YES
Do elements continue to heat and
maintain proper temperature (including
during
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
2.Defective heating or latching contactor
What are the symptoms?
Unit heats until
Probable causes are:
1.Defective (shorted) probe
2.Defective probe circuit
3.Defective controller
Unit heats until
HEATING MODE
indicator lit.
Probable causes are:
1.Defective heating element
2.Defective heating contactor
3.