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Idiomas disponibles
Idiomas disponibles
MAINTENANCE
Troubleshooting
Troubleshooting
Problem
Pump not plugged in
Circuit breaker off or fuse removed
Accumulation of trash on float
Pump does not
turn on
Float obstruction
Defective switch
Defective motor
Float or float rod obstruction
Pump will not shut
Pump is air locked
off
Liquid inflow matches pump capacity
Defective switch
Check valve installed backwards
Pump runs but
Check valve stuck or plugged
does not dis-
charge liquid
Lift too high for pump
Inlet to impeller plugged
Pump is air locked
Lift too high for pump
Rotation incorrect
Pump does not
Low voltage, speed too slow
deliver rated
capacity
Impeller or discharge pipe is clogged
Impeller wear due to abrasives
No check valve in long discharge pipe allowing liquid to drain
back into basin
Pump cycles con-
tinuously
Check valve leaking
Basin too small for inflow
Water sprays out
There should be a bleed hole in the discharge pipe that allows
of a hole in the dis-
trapped air to escape from the pump, preventing air lock
charge pipe.
Water spraying out of this hole is completely normal
Replacement Parts
Item
1 - 4
SFS Series Float Kit
For technical assistance, parts, or repair, please contact:
800.701.7894 | littlegiant.com
10000000711 Rev. 003 07/22
Probable Causes
1
3
2
4
Description
Corrective Action
Plug in pump.
Turn on circuit breaker or replace fuse.
Clean float.
Check float path and provide clearance.
Replace switch.
Replace pump.
Check float and float rod path and provide
clearance.
Remove pump and clean air bleed hole.
Larger pump required.
Replace switch.
Check flow indicating arrow on check valve
body to ensure proper installation.
Remove check valve and inspect for proper
operation.
Check rated pump performance.
Pull pump and clean.
Remove pump and clean air bleed hole.
Check rated pump performance.
Switch any two of the line wires.
Check that supply voltage matches the
nameplate rating.
Pull pump and clean. Check pipe for scale or
corrosion.
Replace pump.
Install a check valve in discharge line.
Inspect check valve for correct operation.
Install larger basin.
No corrective action is required.
Order Number
599139
Franklin Electric Co., Inc. | Oklahoma City, OK 73157-2010
Copyright © 2022, Franklin Electric Co., Inc. All rights reserved.
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