51MSPA-MP Metapacks Service Manual
Pump 2 Does Not Work!
1• If Pump 2 does not work in either
speed, replace Pump 2 fuse.
2• If replacing fuse does not correct
problem, or if Pump 2 works in one
of two speeds, read voltage on the
board for both speeds.
Turn pump 2 to low speed and
measure voltage between white
and black wire connectors:
240 VAC pump: P58 & P35
120 VAC pump: P45 & P35
The reading shoud be:
≈240 VAC for a 240 VAC pump
≈120 VAC for a120 VAC pump
If Pump 2 is not working in any speed, carry out the following
tests to correct the problem:
3• Turn Pump 2 to high speed and
measure voltage between white
and red wire connectors:
240 VAC pump: P58 & P22
120 VAC pump: P45 & P22
The reading shoud be:
≈240 VAC for a 240 VAC pump
≈120 VAC for a 120 VAC pump
4• If voltage is correct, replace
Pump 2.
5• If not, replace board.
Pump 2 fuse
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