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The ProLogic supports features like Solar Priority. Verify that no additional heating is
occurring, as this can take precedence over automatic heating.
Verify the heater has power AND inspect heater for
errors. If the heater displays an error please contact
tech support (908) 355.7995. IF no errors appear, test
each wire in the heater’s bypass loop for 24VAC. IF
voltage is present on both or neither wires, the heater
has an error, is not in bypass, or may be experiencing a
failure. IF voltage is present on only one wire, then
bypass wires are likely damaged.
Troubleshoot heater
Step 6E
Step 6F
6. Heater Not Firing (cont.)
First verify the status of the Check System LED. IF ON,
go to the ‘Default Menu’ to identify if error relates to
heating (i.e. water temperature sensor failure). IF
Check System LED is OFF, access the heater set points
under the ‘Settings Menu’. Raise all heater set points to
104°F. IF heater still does not fire contact tech support
(908)355.7995. Prior to calling, under the ‘Settings
Menu’ return set points back to their original state.
Verify set points and/or errors
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