Spa Builders SC-CF - Nothing Works!

37SC-CF & SC-MP Service Manual
"Nothing Seems to Work!" Flow Chart
For 240 VAC systems:
Do you read
≈ 240 VAC
between
line 1 & line 2,
≈ 120 VAC
between
line 1 & neutral,
≈ 120 VAC
between
line 2 & neutral
on the board?
For 120 VAC systems:
Do you read
≈ 120 VAC
between
line 1 & neutral?
Is there a
jumper cable
connected
between
line 2 & neutral?
Verify if
keypad is
connected
correctly
to board.
All eight pins
must be plugged in
and black wire
must be on top
of the plug.
Replace Spa Pack
if there is still nothing
on keypad display.
There is
an electrical
wiring
problem.
Call an
electrician.
yes no
If nothing seems to work, follow Troubleshooting Flow Chart below
to identify the problem: