49MSPA-MP Metapacks Service Manual
Pump 1 Does Not Work!
1• If Pump 1 does not work in either
speed, replace Pump 1 fuse.
2• If replacing the fuse does not work,
or if Pump 1 works in one of two
speeds, take voltage reading on the
board for both speeds.
Turn Pump 1 to low speed and
measure voltage between white
and black wire connectors:
240 VAC pump: P57 & P64
120 VAC pump: P48 & P64
The reading shoud be:
≈240 VAC for a 240 VAC pump
≈120 VAC for a 120 VAC pump
If Pump1 does not work in any speed, carry out the following tests to
correct the problem:
3• Turn Pump 1 to high speed and
measure voltage between white
and red wire connectors:
240 VAC pump: P57& P37
120 VAC pump: P48 & P37
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 1.
5• If not, replace board.
Pump 1 fuse
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