54 SC-CF & SC-MP Service Manual
Spa Light Does Not Work!
If spa light is not working, carry out the following tests to correct
the problem:
It is important to measure voltage when light is connected to pack.
Power must remain On.
2• If light still isn't working, verify if
"Light" indicator appears on
keypad display when you press
Light key.
1• The first step is to replace the
spa's light bulb.
3• If "Light" indicator doesn't appear,
use a spare keypad to verify if spa
keypad is defective.
If it is, replace keypad.
If not, replace Spa Pack.
5• If you aren't getting a voltage
reading, replace light fuse on
the board.
6• If problem persists, replace
Spa Pack.
Light fuse
4• If "Light" indicator appears, but
light still isn't working, remove
plastic cover and measure
voltage between two light wires
on the board.
If you get ≈12 VAC, replace light
socket.
"Light"
indicator
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