Hayward ProLogic Troubleshooting Manual page 38

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