Installation Guide

3
TROUBLESHOOTING INFORMATION
SYMPTOM CAUSE REMEDY
Pump will not shut
off.
Stuck float. Clean area around float.
Defective switch. Contact factory.
Pump is air locked.
Shut power off for approximately 1 minute, then restart. Repeat several times to clear
air from pump.
Liquid inflow matches or exceeds pump capacity. Larger pump required, or multiple pumps. See capacity sizing information.
Frozen water in discharge hose. Thaw hose or replace hose.
Pump runs but will
not discharge liquid.
Lift too high for pump. Check pump specifications table.
Inlet to impeller plugged. Pull pump and clean.
Pump is air locked.
Shut power off for approximately 1 minute, then restart the pump. Repeat several
times to clear air from the pump. If this does not resolve the problem, the vent hole
might be blocked. Clean the hole according the SERVICE INSTRUCTIONS section.
Frozen water in discharge hose. Thaw hose or change out.
Pump does not
deliver rated capac-
ity.
Lift too high for pump. Check rated pump performance.
Low voltage, speed too slow. Check for proper supply voltage, ensuring that it corresponds to nameplate voltage.
Impeller or discharge pipe is clogged. Pull pump and clean. Check pipe for scale or corrosion.
Pump cycles con-
tinually.
No check valve in long discharge pipe allowing
liquid to drain back onto cover.
Install a check valve in discharge line.
Check valve leaking. Inspect check valve for correct operation.
Switch failed. Have pump serviced.
Volute clogged. Clean screen and basket.
Switch float stuck. Remove access screen and clean debris from float.
Motor failure. Have pump serviced.
Thermal protector activated. Allow pump to cool.
GFCI device activated. Inspect all electrical connections and reset GFCI.
REPLACEMENT PARTS
Item
No.
Part
No. Description Qty.
1 177343 Garden hose adapter 1
2 177344 Float/stem assembly 1
3 177345 Float access cover 1
FIGURE 2