Page 6 For technical questions, please call 1-800-444-3353. Sump Pump manualTroubleshootingProblem Possible Causes Possible SolutionsPump runs, butwill not deliverany water.Disconnect power cords immediatelyto prevent damage from running dry.1. Pump “airlock”.Impeller trapped in an air bubble.2. Shut off valve closed (if installed).3. Filter clogged.4. Impeller clogged.5. Discharge Pipe frozen or blocked.6. Optional check valve stuck orinstalled backwards.Disconnect power cords immediatelyto prevent damage from running dry.1. Drill a 3/16 IN. diameter air bleed holethrough the Discharge Pipe justabove the Lower Base.2. Open valve.3. Clean out dirt and debris from filter.4. Remove Volute. Clean out dirt and debrisfrom Impeller. Then replace Volute.5. Thaw pipe and/or remove debris.6. Examine and correct check valve.Pump won’tstart or run.1. Check power connections and circuits/fuses.2. Water level too low.3. Filter clogged.4. Impeller clogged.5. Motor damaged or worn out.1. Consult with an electrician.2. Allow water level to rise above theFloat Switch Operation ON Heightor move Pump to a lower location.3. Clean out dirt and debris from filter.4. Remove Volute. Clean out dirt and debrisfrom Impeller. Then replace Volute.5. Pump must be replaced.Excessive noiseor vibration.1. Debris in impeller.2. Discharge pipe restricted.3. Worn bearings.1. Remove filter, if equipped.Clean impeller. Then replace filter.2. Clean pump and discharge pipe.Straighten flexible hose.3. Pump must be replaced.Pump startsand stops toofrequently.1. Water temperature too high.2. Back flow of water from discharge pipe.3. Extension cord used.1. Do not exceed 77° F (25°C).2. Install or inspect optional check valve.3. Eliminate use of extension cord.Have licensed electrician installGFCI-protected outlet near pump if needed.Pump doesnot shut offautomatically.DISCONNECT POWER CORDS FIRSTTO PREVENT SERIOUS INJURY.1. Pump Cord not connected throughFloat Switch Cord plug.2. Float Switch stuck.3. Check valve not installedproperly or functioning.4. Defective Float Switch.DISCONNECT POWER CORDS FIRSTTO PREVENT SERIOUS INJURY.1. Plug Pump Cord into back ofFloat Switch Cord plug.2. Check for free movement of Float Switch.Clear debris away from beneath Float Switch.3. Make sure check valve is properlyinstalled and in working order.4. Unplug Pump from its electrical outlet.Do not use until qualified technicianchecks Pump for proper operation.Follow all safety precautions whenever diagnosing or servicing the tool.Disconnect power supply before service.