Troubleshooting

7

TROUBLESHOOTING CHART

Risk of electrical shock. Unplug the pump before touching it or servicing it.

SYMPTOM

PROBABLE CAUSE(S)

CORRECTIVE ACTION

 

 

 

Pump won’t start or run.

Pump is not plugged in.

Make sure the pump is plugged into a proper outlet.

 

Blown fuse.

Replace the fuse with a fuse of proper size.

 

Low line voltage.

Check the size of the wiring on the circuit feeding the pump

 

 

and from the main switch on the property. If everything is OK,

 

 

contact your power company or hydro authority.

 

Defective motor.

Replace the pump.

 

Defective float switch.

Replace the float switch.

 

Clogged or jammed Impeller.

If the impeller won’t turn, unplug the pump, remove the lower

 

 

pump body, and locate the source of the binding. Replace

 

 

the impeller if necessary.

 

Obstructed float.

Move the pump in the sump or remove the obstruction.

 

 

 

Pump starts and stops

Backflow of water from piping.

Install or replace the check valve.

too often.

Faulty float switch.

Replace the float switch.

 

 

 

 

Pump won’t shut off.

Defective float switch.

Replace the float switch.

 

Restricted discharge

Unplug the pump, remove it from the sump, and clean the

 

(obstacle or ice in the piping).

pump and piping.

 

Obstructed float.

Move the pump in the sump or remove the obstruction.

 

Restricted intake screen.

Unplug the pump, remove it from the sump, and clean the

 

 

intake screen and impeller.

 

 

 

Pump operates but

Low line voltage.

If the voltage is below 110 volts, check the size of the wiring

delivers little or no water.

 

from the main switch on the property. If OK, contact your

 

 

power company or hydro authority.

 

Debris caught in the impeller.

Remove the pump and clean out the impeller.

 

Worn or defective parts or

Clean the impeller if it’s plugged; replace the impeller if

 

plugged impeller.

necessary; otherwise replace the pump.

 

Check valve installed without

Drill a 1/8" (3mm) dia. hole between the pump discharge and

 

vent hole

the check valve (1-2" above the pump discharge and below

 

 

the waterline).

 

Restricted intake screen.

Remove the pump and clean out the intake screen.

 

Check valve is installed either

Be sure the check valve is installed correctly (the flow arrow

 

backward or upside down.

should point away from the pump).

 

 

 

For parts or assistance, call Simer Customer Service at 1-800-468-7867

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Simer Pumps 3988, 3985, 3983, 3984, 3986 owner manual Troubleshooting, Symptom Probable Causes Corrective Action

3984, 3988, 3985, 3986, 3983 specifications

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