Troubleshooting - Pentair MYERS MS50V10-R Manual De Instalación Y Funcionamiento

TROUBLESHOOTING

SYMPTOM
Pump won't start.
Pump starts and stops frequently.
Pump won't shut off
Pump operates but delivers little or no water.
8
POSSIBLE CAUSE
Pump not plugged in.
Blown fuse.
Low line voltage.
Defective motor.
Defective float switch.
Impeller.
Float obstructed.
Backflow of water from piping.
Faulty float switch.
Defective float switch.
Restricted discharge (obstacle or ice in piping).
Float obstructed.
Restricted intake screen.
Low line voltage.
Something caught in impeller.
Worn or defective parts or plugged impeller.
Check valve installed without vent hole.
Restricted intake screen.
Check valve is installed either backward or upside
down.
CORRECTIVE ACTION
Check that pump is plugged into a proper outlet.
If blown, replace with fuse of proper size.
If voltage is under recommended minimum, check size of
wiring from main switch on property. If OK, contact power
company or hydro authority.
Replace pump.
Replace float switch.
If impeller won't turn, remove lower pump body and locate
source of binding.
Remove obstruction.
Install or replace check valve.
Replace float switch.
Replace float switch.
Remove pump and clean pump and piping.
Remove obstruction.
Remove the pump and clean the intake screen and the impeller.
If voltage under recommended minimum, check size of wiring from
main switch on property. If OK, contact power company or hydro
authority.
Remove the pump and clean out the impeller.
Clean impeller if plugged; otherwise replace pump.
Drill a 1/16" - 1/8" (1.6mm-3.2mm) dia. hole between pump discharge
& check valve (1-2" above where the discharge pipe screws into the
pump discharge and below the waterline).
Remove the pump and clean out the intake screen.
Be sure check valve is installed correctly.
MY999-R (06-20-20)