Troubleshooting Chart - Duracraft DCMKP33T Manual Del Usuario

Troubleshooting

TROUBLESHOOTING CHART

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.
For parts or assistance, call Duracraft Customer Service at
PROBABLE CAUSE(S)
Pump is 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 and see if pump is plugged in to a proper outlet.
If blown, replace with fuse of proper size.
If voltage 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.
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