Spa Builders SC-CF, Service Manual

Page: 42 / 68

41 SC-CF & SC-MP Service Manual
"Spa Not Heating" Flow Chart
Any error messages
(FLO, FLC, 3 flashing dots, etc.)
on keypad display?
Refer to
specific section
referred to
error message.
Ensure temp.
Set Point is
higher than
actual water temp.
Has "Heater" indicator appeared
on keypad display?
yes no
yes no
yes no
If the spa does not seem to be heating the water, follow Troubleshooting
Flow Chart below to identify the problem:
Take water temp.
and compare with
temp. value displayed
on keypad.
Is difference
greater than
±
2
°
F?
Is temp. probe
touching water or
hot air rear
affecting reading?
Isolate back of
probe with foam.
Replace
temp. probe
with spare.
System
works fine.
If water temp.
still doesn't
match temp.
on keypad display,
replace Spa Pack.
Replace
element.
Replace
Spa Pack.
yes no
Do you get a 240 VAC
reading between
the two heater
terminals
on the board?
Are heater nuts
connected
properly
to the
element?
Try tightening nuts
to element.
Still not heating?
yes no
yes no