Troubleshooting - Pentair MYERS ME40T20-R Manual De Instalación Y Operación

TROUBLESHOOTING

SYMPTOM
Pump won't start or

run
Pump starts and

stops too often.
Pump won't shut off.

Pump operates but

delivers little or no
water.
MY994_R (08-20-20)
PROBABLE CAUSE(S)
Blown fuse.

Defective motor.

Defective float switch.

Impeller.

Float is obstructed.

Water backflow from piping.

Faulty float switch.

Defective float switch.

Restricted discharge

(obstacle in piping).
Float obstructed.

Something caught in impeller.

Anti-airlock hole is plugged.

CORRECTIVE ACTION
If blown, replace with a fuse of proper size.

Replace the pump.

Replace the float switch.

If the impeller won't turn, locate the source of the binding.

Remove the obstruction.

Install or replace the check-valve.

Replace the float switch.

Replace the float switch.

Remove the pump and clean the pump and piping.

Remove the obstruction.

Clean out the impeller.

Turn off the pump, clean out the anti-airlock hole, and

restart pump.
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