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Troubleshooting
trouBLes-remeDies
sudden starts. if the power is on to the pump when thermal overload resets, the pump may start without
warning. if you are working on the pump, you may get an electrical shock or the impeller may catch fingers or tools.
Disconnect the power before servicing the pump.
a. Pump fails to operate:
B. Pump fails to empty sump:
C. Pump will not shut off:
D. fuse blows or circuit breaker
trips when pump starts:
e. motor runs for a short time,
then stops:
1. Check to be sure that power cord is securely plugged into outlet or securely wired
into controller or switch box. Disconnect power to outlet before handling pump
or motor.
2. Check to be sure you have electrical power.
3. Check that liquid fluid level is high enough to activate switch or controller.
4. Check to be sure that the anti-airlock vent hole in the pump discharge is not plugged.
5. Check for blockage in pump inlet, impeller, check valve or discharge pipe.
6. Disconnect the pump from the power source for a minimum of 30 minutes to allow
the motor to cool and to protect yourself from sudden starts. See Warning above.
Check for the cause of overheating. Pump is running dry because the float switch
is caught up on something. Inlet pipe is plugged. Outlet pipe is plugged.
1. Be sure all valves in discharge pipe are fully open. Be sure check valve is installed
with flow arrow pointing AWAY from pump.
2. Clean out discharge pipe and check valve.
3. Check for blockage in pump inlet or impeller.
4. Pump not sized properly. A higher capacity pump may be required.
1. Check switch or controller automatic floats for proper operation and location.
See installation instructions for switch/controller.
2. If pump is completely inoperative or continues to malfunction, consult your
local serviceman.
1. Clogged inlet holes in pump base or clogged impeller. Unplug pump, remove it from
the basin, and clean.
2. Defective motor. Replace pump.
3. Fuse or circuit breaker too small. Connect pump to a 15 amp circuit.
1. Clogged inlet holes in pump base or clogged impeller. Unplug pump, remove it from
the basin, and clean.
2. Defective motor. Replace pump.
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