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Troubleshooting
SYMPTOM
Pump does not run when water
flows in from sink
Pump runs, but does not empty
sink
Pump cycles on and off when
no water is in the sink
Pump cycles on and off when the
sink is at maximum water
flow or is full
Key No.
POSSIBLE CAUSE(S)
Pump unplugged.
Outlet unpowered.
Pump impeller jammed.
Sink stopper in drain.
Drain clogged.
Clogged discharge line.
Shut-off valve closed.
System discharge line too
high or too long.
Check valve installed
backwards
Check valve not installed.
Check valve jammed.
Shut-off valve not adjusted.
Shut-off valve not installed.
3
REPAIR KIT, Part No. PS20-137REP
Part Description
Kit Includes:
1
Diaphragm Switch
2
Impeller
3
Gasket
CORRECTIVE ACTION
Plug in pump.
Check fuse / breaker.
Unplug pump; follow procedure under "Maintenance"
to clear pump.
Remove stopper.
Clear drain screen.
Unplug pump, open and clear discharge line.
Open shut-off valve slightly.
Unplug pump and reduce height or length of discharge line
(11' Max. Height).
Make sure flow arrow on check valve points away
from pump.
Unplug pump and install check valve (see Figures 2
and 3, Pages 3 and 4).
Unplug pump; open discharge line and clean check valve.
See "Adjusting the Flow", Page 3.
Unplug pump and install shut-off valve (see Figures 2
and 3, Pages 3 and 4).
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Qty.
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