Troubleshooting - Pentair MYERS SRM4 Serie Manual De Instalación Y Funcionamiento

TROUBLESHOOTING

Sudden Starts. If the power is on to the pump when thermal overload resets, the pump may start without warning. If
you are working on the pump, you may get an electrical shock or the impeller may catch fingers or tools. Disconnect the power before
servicing the pump.
SYMPTOM
Pump fails to operate.
Pump fails to empty basin/
tank.
Pump will not shut off.
Pump run but fails to deliver
water.
Pump fuse blows or trips
circuit breaker.
Motor runs for short time
and stops.
Pump runs but delivers
small amount of water.
MY13800A991 (01-01-22)
Check to be sure that power cord is securely plugged into outlet or securely wired into controller

or switch box . Disconnect power to outlet before handling pump or motor.
Check to be sure you have electrical power.

Check that liquid fluid level is high enough to activate switch or controller.

Check to be sure that 1/8 (3mm) vent hole in discharge pipe is not plugged.

Check for blockage in pump inlet, impeller, check valve or discharge pipe.

Disconnect the pump from the power source for a minimum of 30 minutes to allow the motor to

cool and to protect yourself from sudden starts.
Check for the cause of overheating. Pump is running dry because the float switch is caught up on

something. Inlet pipe is plugged. Outlet pipe is plugged.
Motor windings may be open. Take unit to authorized service center.

Be sure all valves in discharge pipe are fully open.

Clean out discharge pipe and check valve.

Check for blockage in pump inlet or impeller.

Pump not sized properly. A higher capacity pump may be required.

Check switch for proper operation and location. See installation instructions for switch.

If pump is completely inoperative or continues to malfunction, consult your local serviceman.

Check valve may be installed backwards. Be sure that the arrow on calve points in the direction of

flow.
Pump may be air-locked. Check vent hole in impeller housing.

Check fuse size.

Intake opening clogged. Obstructed impeller. Obstructed volute.

Defective stator. Take unit to authorized service center.

Start and stop pump several times by plugging and unplugging cord.

Clear vent hole in impeller cavity.

CORRECTIVE ACTION
7