Harbor Freight Tools PACIFIC HYDROSTAR 1/3 HP Submersible Sump Pump with Vertical Float Switch 68476 - Manual (Page 8)

Page 6 For technical questions, please call 1-800-444-3353. Sump Pump manual
Troubleshooting
Problem Possible Causes Possible Solutions
Pump runs, but
will not deliver
any water.
Disconnect power cords immediately
to 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 or
installed backwards.
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.
Pump won’t
start 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 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.
Excessive noise
or 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 starts
and stops too
frequently.
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 install
GFCI-protected outlet near pump if needed.
Pump does
not shut off
automatically.
DISCONNECT POWER CORDS FIRST
TO PREVENT SERIOUS INJURY.
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.
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.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.