19
SC-CF & SC-MP Service Manual
Display Flashing Flow Chart
On certain packs, if system detects temperature at 112
°
F or higher,
the display will start flashing. Follow Troubleshooting Flow Chart below
to identify the problem:
Are you getting correct
water temp. reading on the display?
Replace
Spa Pack
if problem
still persists.
Verify if
temperature probe
is properly connected.
If so, replace probe
and reset breaker.
Verify if
temperature probe
is touching water
or if cold air from
back can affect
reading.
Remove
spa cover
(even during
the night).
Start
blower, if
spa is
equipped
with one.
Wait until
spa cools
down (add
cold water
if needed).
Pump is
overheating
water during
filter cycle.
Lower
filter cycle
duration.
Replace
Spa Pack.
Lower set point
below actual
temperature of
water.
"Heater" indicator
on keypad display
should disappear.
Do you get a
240 VAC reading
between
two heater wires
on the board?
yes
no
Is weather
very hot?
yes
no
yes
no
A power failure
has occurred.
System
works fine.
Press
any key.
Has display
stopped flashing?
yes
no
Summary of Contents for SC-CF
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