Troubleshooting - Pacific hydrostar 1/3 HP Submersible Sump Pump with Vertical Float Switch Manual

Troubleshooting

Problem
Pump runs, but Disconnect power cords immediately
will not deliver
any water.
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 or
installed backwards.
Pump won't 1. Check power connections and circuits/fuses.
start or run.
2. Water level too low.
3. Filter clogged.
4. Impeller clogged.
5. Motor damaged or worn out.
Excessive noise 1. Debris in impeller.
or vibration.
2. Discharge pipe restricted.
3. Worn bearings.
Pump starts 1. Water temperature too high.
and stops too
2. Back flow of water from discharge pipe.
frequently.
3. Extension cord used.
Pump does DISCONNECT POWER CORDS FIRST
not shut off
automatically.
1. Pump Cord not connected through
Float Switch Cord plug.
2. Float Switch stuck.
3. Check valve not installed
properly or functioning.
4. Defective Float Switch.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Page 6
Possible Causes
to prevent damage from running dry.
TO PREVENT SERIOUS INJURY.
For technical questions, please call 1-800-444-3353.
Possible Solutions
Disconnect power cords immediately
to prevent damage from running dry.
1. Drill a 3/16 IN. diameter air bleed hole
through the Discharge Pipe just
above the Lower Base.
2. Open valve.
3. Clean out dirt and debris from filter.
4. Remove Volute. Clean out dirt and debris
from Impeller. Then replace Volute.
5. Thaw pipe and/or remove debris.
6. Examine and correct check valve.
1. Consult with an electrician.
2. Allow water level to rise above the
Float Switch Operation ON Height
or move Pump to a lower location.
3. Clean out dirt and debris from filter.
4. Remove Volute. Clean out dirt and debris
from Impeller. Then replace Volute.
5. Pump must be replaced.
1. Remove filter, if equipped.
Clean impeller. Then replace filter.
2. Clean pump and discharge pipe.
Straighten flexible hose.
3. Pump must be replaced.
1. Do not exceed 77° F (25°C).
2. Install or inspect optional check valve.
3. Eliminate use of extension cord.
Have licensed electrician install
GFCI-protected outlet near pump if needed.
DISCONNECT POWER CORDS FIRST
TO PREVENT SERIOUS INJURY.
1. Plug Pump Cord into back of
Float Switch Cord plug.
2. Check for free movement of Float Switch.
Clear debris away from beneath Float Switch.
3. Make sure check valve is properly
installed and in working order.
4. Unplug Pump from its electrical outlet.
Do not use until qualified technician
checks Pump for proper operation.
Sump Pump manual