Spa Builders SC-CF, Service Manual

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42 SC-CF & SC-MP Service Manual
Spa Not Heating!
"Set Point"
indicator
"Heater"
indicator
6• If not, replace temperature sensor
with a spare one.
7• If spa is still not heating, replace
Spa Pack.
If "Heater" indicator does not
light up:
2• If there is no message, try to
increase temperature by raising
temperature Set Point. Press
Up
arrow key to increase Set Point.
1• Check for an error condition
on keypad display. If there is
one, refer to section indicated
by the error condition.
If the spa does not appear to be heating the water, carry out
the following tests to correct the problem:
4• Use a digital thermometer to take
water temperature and compare
your reading with the value on
keypad display.
If values are different (
±
2
°
F), verify if
sensor is touching water or if hot air
from rear could be affecting readings.
5• If so, use foam to isolate behind
the probe.
3• Verify if "Heater" indicator appears
on the display.
"Heater" indicator will be on when
heater is on. It will flash if more
heat has been requested, but
heater has not yet started.