47SC-CF & SC-MP Service Manual
Pump 1 Does Not Work!
1• If Pump 1 does not work in either speed,
replace Pump 1 fuse.
Turn Pump 1 to high speed and take
voltage reading between white and
red wire connectors:
240 VAC pump: P12 & P18
120 VAC pump: P7 & P12
Your reading shoud be:
≈240 VAC for a 240 VAC pump
≈120 VAC for a 120 VAC pump
If Pump 1 does not work in either speed, carry out the following tests
to correct the problem:
2• If replacing the fuse is not effective or
if Pump 1 works in only one speed,
take voltage reading on the board for
both speeds.
3• Turn Pump 1 to low speed and take
voltage reading between white and
black wire connectors:
240 VAC pump: P14 & P18
120 VAC pump: P7 & P14
Your reading shoud be:
≈240 VAC for a 240 VAC pump
≈120 VAC for a 120 VAC pump
4• If voltage is as it should be,
replace Pump 1.
5• If not, replace Spa Pack.
Pump 1 fuse
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