Troubleshooting - Master Plumber 540023-01 El Manual Del Propietario

Maintenance
MAINTENANCE
To Clean the Pump Screen:
NOTICE: Attempting to disassemble motor will void warranty.
Risk of electrical shock. Shock can burn or kill.
Always unplug the pump from the power source before servic-
ing any system component. Do not lift pump by power cord.
1. Disconnect power before servicing.
Risk of Electric shock. Shock can burn or
cause death. When servicing the system always disconnect
power cord from the electrical outlet.
2. Loosen the discharge pipe.
3. Use the pump handle to lift the pump out of the sump pit
and place the pump on a clean level surface.
4. To clean the screen, use a screwdriver to snap the screen
out (See Figure 1), remove and rinse off the screen.
5. Re-install the screen. Be sure all the snaps catch.
6. Put the pump back into the sump pit.
7. Re-install the discharge pipe.
8. Check the system operation by filling the basin with water
and observing the pump's operation through one complete
cycle.
Flood hazard. May cause personal injury or prop-
erty damage. Failure to make this operational check can lead to
improper operation, premature pump failure and flooding.

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.
For parts or assistance, call Master Plumber Pump Customer Service at
PROBABLE CAUSE(S)
Blown fuse or breaker.
Low line voltage.
Defective motor.
Defective float switch.
Float obstructed.
Backflow of water from piping.
Faulty float switch.
Defective float switch.
Restricted discharge
(obstacle in piping).
Float obstructed.
Low line voltage.
Worn or plugged impeller.
Anti airlock vent hole is plugged.
Figure 1 – To clean the screen and anti-airlock valve.
AIRLOCKS:
When a pump airlocks, it runs but does not move any water.
An airlock will cause the pump to overheat and fail.
This pump has a small hole in the side of the pump housing.
See Figure 1. This is an anti-airlock valve. If you suspect an air-
lock, insert a hat pin or a pipe cleaner into the anti-airlock hole
to clean out the debris.
CORRECTIVE ACTION
If blown, replace with fuse of proper size or reset breaker.
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.
Remove obstruction.
Install or replace check-valve.
Replace float switch.
Replace float switch.
Remove pump and clean pump and piping.
Remove obstruction.
If voltage under recommended minimum, check size of wiring from main
switch on property. If OK, contact power company or hydro authority.
Replace pump.
Clean out the vent hole with a hat pin or pipe cleaner.
Anti-Airlock Valve
(Remove screen
and look under
pump for access)
1-800-628-9439
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