Troubleshooting Guide - Zoeller 118 Quick Start Manual

Condition
A. PUMP WILL NOT START OR RUN
B. PUMP TRIPS OVERLOAD OR
BLOWS FUSE
C. PUMP STARTS AND STOPS TOO
OFTEN
D. PUMP WILL NOT SHUT OFF
E. PUMP OPERATES BUT DELIVERS
LITTLE OR NO WATER
Before servicing a pump, always shut off the main
power breaker and then unplug the pump - making sure you are
not standing in water and are wearing insulated, protective-sole
shoes. Under flooded conditions, contact your local electric
company or a qualified, licensed electrician for disconnecting
electrical service prior to pump removal.

TROUBLESHOOTING GUIDE

Possible Cause
Blown fuse
Low voltage
Thermal overload open
Bound impeller
Shorted motor or wiring
Damaged float
Bound float assembly
Incorrect voltage
Bound impeller
Shorted motor
Short cycling
Damaged float
Debris under float
Damaged switch
Switch out of adjustment
Plugged weep hole (air-locked)
Obstruction in discharge line
Discharge head exceeds capacity
Low voltage
If the above checklist does not solve the problem, consult
Zoeller Pump Company Product Support Department at
1-800-928-7867 or +1-502-778-2731. Do not attempt to service
or otherwise disassemble pump.
Go to www.zoellerpumps.com/servicestations to find the
Authorized Service Station in your area.
© Copyright 2017 Zoeller Co. All rights reserved.
®
4
Remedy
Have a qualified electrician check circuit.
Contact a Zoeller Authorized Service Station.
Check for debris around float.
Have a qualified electrician check circuit.
Contact a Zoeller Authorized Service Station.
Check for debris around float.
Contact a Zoeller Authorized Service Station.
Remove debris as necessary.
Contact a Zoeller Authorized Service Station.
Clear weep hole as necessary.
Clear lines as necessary.
Refer to pump performance chart on page 3,
or contact factory.
Have a qualified electrician check circuit.