Heater Not Firing - Hayward ProLogic Troubleshooting Manual

Heater Not
Firing
pump running?
Go to section 7
Turn ON Pump,
and test pump
auxiliary
Inspect 'Check
System'LED
YES
Is it ON?
NO
35

6. Heater Not Firing

Is main
YES
circulation
NO
YES
Is pump ON?
NO
Exit service
mode
YES
Clear all
errors first
Raise heater
set points to
104F
YES
Is Heater LED
ON?
NO
Put the system
in service
mode
Turn main
pump and
heater ON
Did the heater
fire?
NO
YES
Did heater
fire?
NO
Test both heater
term. blocks to
ground for
12-24VAC
YES
The problem
resides on the
heater; it
either has an
error message,
YES
it is not in
bypass, is
experiencing a
failure, OR the
bypass wires
are damaged
Problem
solved
Contact tech
support
(908)355.7995
Both term.
have 24VAC?
NO
Do neither
have 24VAC?
NO
Replace
main board
(see pg. 17)