Troubleshooting Checklist - Water Ace R5V Manuel D'installation

TROUBLESHOOTING CHECKLIST

PROBLEM
Pump does not run or hums.
Pump runs but does not deliver
water.
Pump runs and pumps out
sump, but does not stop.
Pump runs but delivers only a
small amount of water.
Fuse blows or circuit breaker
trips when pump starts.
Motor runs for a short time,
then stops.
NOTES:
(CAUTION: SHUT OFF POWER TO PUMP)
• Line circuit breaker is off, or fuse is blown or loose.
• Water level in sump has not reached turn-on level as indicated in installation drawing.
• Pump cord is not making contact in receptacle.
• Float is stuck. It should operate freely in basin.
• If all of the above are OK, then the motor winding may be open.
• Check valve is installed backward. Arrow on valve should point in direction of flow.
• Discharge shutoff valve (if used) may be closed.
• Pump is air-locked. Start and stop several times by plugging and unplugging cord. Check for
clogged vent hole in pump case.
• Impeller or volute openings are fully or partially clogged. Remove pump and clean.
• Inlet holes in pump base are clogged. Remove pump and clean the openings.
• Vertical pumping distance is too high. Reduce distance or resize pump.
• Float is stuck in up position. Be sure float operates freely in basin.
• Defective float switch. Replace with float switch RSMA for R2SA, R3S and R5S-1.
• Defective vertical switch. Replace with vertical switch RVS for R3V and R5V.
• Pump is air-locked. Start and stop several times by plugging and unplugging cord. Check for
clogged vent hole in pump case.
• Vertical pumping distance is too high. Reduce distance or resize pump.
• Inlet holes in pump base are clogged. Remove pump and clean the openings.
• Impeller or volute openings are fully or partially clogged. Remove pump and clean.
• Pump impeller is partially clogged with tar or paint, causing motor to run slow and overload.
Remove pump and clean.
• Pump impeller is partially clogged with tar or paint, causing motor to run slow and overload.
Remove pump and clean.
• Motor stator may be defective.
• Fuse size or circuit breaker may be too small. Must be 15 amps.
• Impeller or volute openings are fully or partially clogged. Remove pump and clean.
• Inlet holes in pump base are clogged. Remove pump and clean the openings.
• Pump impeller is partially clogged with tar or paint, causing motor to run slow and overload.
Remove pump and clean.
• Motor stator may be defective.
• Impeller or volute openings are fully or partially clogged. Remove pump and clean.
POSSIBLE CAUSES
4
23833A115