Advertisement
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.
Trouble Shooting Guide
Possible Cause
Blown fuse.
Low voltage.
Thermal overload open.
Impeller bound.
Motor or wiring shorted.
Switch defective.
Damaged float.
Float assembly bound.
Incorrect voltage.
Impeller bound.
Motor shorted.
Short cycling (No check valve in
discharge line to prevent water from
draining back into pit).
Defective float.
Debris under float.
Switch defective.
Switch out of adjustment.
Weep hole plugged (Air-locked).
Obstruction in discharge line.
Discharge head exceeds capacity.
Low voltage.
Discharge line frozen.
If the above checklist does not solve the problem, consult
Zoeller Pump Company Technical Service Department at
1-(800) 928-7867. Do not attempt to service or otherwise dis-
assemble pump.
© Copyright 2012 Zoeller Co. All rights reserved.
8
Remedy
Have a qualified electrician check circuit.
Contact a Zoeller Authorized Service Station.
Check for debris around float.
Have qualified electrician check circuit.
Contact a Zoeller Authorized Service Station.
Refer to STEP 5 for installation of check
valve.
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 qualified electrician check circuit.
Clear and protect from freezing (See STEP 6).
Advertisement
