Overview of Primary Product

4
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®
Co. All rights reserved.
If the above checklist does not solve the problem, consult the Zoeller Product Support Department at 1 (800) 928-PUMP or [phone]. Do not attempt to service or otherwise
disassemble pump. Care of nish: Soap and water is all that is recommended for cleaning the outside of the tank. Other cleaning products may cause discoloration and scratching.
CONDITION POSSIBLE CAUSE REMEDY
A. PUMP WILL NOT START OR RUN.
Low voltage, blown fuse, open circuit. Have a qualied electrician check fuse and circuit.
Impeller bound.
Contact a Zoeller Service Station.
Motor or wiring shorted.
Debris on oat switch. Remove debris.
B. PUMP STARTS TOO SOON. Float “ON” point is adjusted too low. Raise the oat stops, make sure the oat is between the two stops.
C. WATER LEVEL EXCESSIVE BEFORE PUMP
TURNS ON.
Float “ON” point adjusted too high. Lower the upper oat stop.
D. PUMP WILL NOT SHUT OFF OR RUNS TOO LONG
BEFORE WATER IS PUMPED.
Pump not plugged into piggyback oat switch receptacle.
Ensure pump is not plugged directly into the outlet. Plug pump
into piggyback oat switch receptacle.
Debris under oat. Remove debris from around oat.
Faulty oat switch. Contact a Zoeller Service Station.
Float “Off” point adjusted too low. Raise the lower oat stop.
Pump is air locked. Make sure vent hole in discharge pipe is clear.
Water level too low. Raise the lower oat stop.
Waste material has accumulated, blocking flow of
material to pump intake.
Hold ush handle down on the toilet for 15 seconds. If unit will
not clear, unplug and wait 30 minutes. Plug unit back in and
repeat. If unit still will not turn off, it will need to be opened and
the debris relocated.
E. PUMP OPERATES BUT DELIVERS LITTLE OR NO
WATER.
Debris around intake. Clean area around intake.
Blockage in discharge pipe. Remove pipe and ush out debris.
Low or incorrect voltage. Have a qualied electrician check house wiring.
Damaged Impeller. Contact a Zoeller Service Station.
Incorrect oat adjustment. Contact Product Support Dept.
Pump is air locked. Make sure vent hole in discharge pipe is clear.
Vertical lift too high. Change discharge piping or contact Product Support Dept.
TROUBLE SHOOTING