Northern Industrial Tools 1/2 HP SUMP PUMP owner manual Problem, Possible Cause, Remedy

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PROBLEM		POSSIBLE CAUSE		REMEDY
1. THE ELECTROPUMP DOES NOT PUMP		1.	No electricity.
	WATER, THE MOTOR DOES NOT RUN.	2.	Plug inserted incorrectly.	Verify that voltage is present and
				that the plug is correctly inserted.
		3.	Enabled safety switch.	Reset the safety switch. If the safety
				switch is once more enabled, Contact a
				speciallzed electrician.
		4.	Blocked safety switch.	Remove possible obstructions from the
				impeller.
		5.	Damaged motor or condenser.	Contact the Customer Assistance Service.
2. THE PUMP DOES NOT SUPPLY WATER		1.	Obstructed suction grid.	Clean the grid.
	BUT THE MOTOR IS RUNNING.	2.	Blocked check valve.	Clean or replace the value.
		3.	Air in impeller body (air Bubbles.)	Perform several start-ups in order to
3.	THE PUMP SUPPLIES A LIMITED			remove all the air.
		1.	Partially obstructed suction gird.	Clean the grid.
	AMOUNT OF WATER.	2.	Obstructed pipe.	Remove the obstructions.
		3.	Wom impeller.	Contact the Customer Assistance Service.
4.	INTERMITTENT OPERATION	1.	Solid particles prevent the free	Renmove the foreign particles.
			rotation of the impeller.
		2.	The temperature of the fluid is
			too high.	Supply the pump in accordance with
		3.	Vollage out off range.
				nameplate data.
		4.	The fluid is too dense.	Dilute the pumped fluid.
		5.	Faulty motor.	Contact the Customer Assistance Service.