Filter
Top Products
6-8
As HEATING MODE indicator lights,
does the right HT LED light (both HT
LEDs for split-vat units)?
Probable causes are:
1. Broken or improper wire
connection
2. Defective interface board
Probable causes are:
1. Defective interface board
2. Broken or defective wiring
connection
3. Defective heating contactor
Is 24 VAC present on the
Heating Contactor and does the
Heating Contactor close?
NO
YES
NO
Is the right HI LED lit (for split vat
units, both HI LEDs lit)?
Is 24VAC present on the Latching
Contactor
AND
does the contactor
close?
Probable causes are:
1. Open high-limit
2. Open/defective drain-valve microswitch
3. Broken or improper wire connection
4. Defective latching relay
Probable causes are:
1. Defective latching relay
2. Defective latching contactor
3. Defective interface board
4. Broken or improper wire connection
NO
NO
YES
YES
CONTINUED FROM
PRECEEDING PAGE
Continued on
next page
YES