MAINTENANCE
Troubleshooting
Franklin Electric Co., Inc.
| Oklahoma City, OK 73157-2010
800.701.7894
|
littlegiant.com
For technical assistance, parts, or repair, please contact:
Form 10000004738 Rev. 001 12/20
Copyright © 2020, Franklin Electric, Co., Inc. All rights reserved.
Troubleshooting
Problem
Probable Causes
Corrective Action
Pump does not turn on.
Pump is not plugged in.
Plug in the pump.
Circuit breaker is off or fuse is removed.
Turn on circuit breaker or replace fuse.
Accumulation of trash on float
Clean float.
Float obstruction.
Clean float path and provide clearance.
Defective switch.
Replace switch
Defective motor.
Replace pump.
Pump will not shut off.
Float or float rod obstruction.
Check float and float rod path and provide clearance.
Pump is air locked
Remove pump and clean air bleed hole.
Liquid inflow matches pump capacity.
Larger pump required.
Defective switch.
Replace switch
Pump runs but does not dis
-
charge liquid.
Check valve installed backwards.
Check flow indicating arrow on check valve body to ensure proper installa
-
tion.
Check valve stuck or plugged.
Remove check valve and inspect for proper installation.
Lift too high for pump.
Check rated pump performance.
Inlet to impeller plugged.
Pull pump and clean.
Pump is air locked
Remove pump and clean air bleed hole.
Pump does not deliver rated
capacity.
Lift too high for pump.
Check rated pump performance.
Low voltage, speed too slow.
Check that supply voltage matches nameplate rating.
Impeller or discharge pipe is clogged.
Pull pump and clean. Check pipe for scale or corrosion.
Impeller wear due to abrasives.
Replace worn impeller.
Pump cycles continually.
No check valve in long discharge pipe allowing
water to drain back into basin.
Install a check valve in the discharge line.
Check valve leaking.
Inspect check valve for correct operation.
Basin too small for inflow.
Install larger basin.
Water sprays out of a hole
by a bolt on the base of the
unit.
This pump comes with a bleed hole that allows
trapped air to escape from the pump, prevent
-
ing air lock. Water spraying out of this hole is
completely normal.
No corrective action is required.
