Pentair D.E. Cartridge Style Filter Troubleshooting, cont’d, Problems and Corrective Actions

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Troubleshooting, cont’d.

Problems and Corrective Actions

Problem	CorrectiveAction
PRESSURE DROPS ON GAUGE		a. If pressure drops on gauge, shut off power to
			pump and turn motor shaft with your fingers.
			If it turns freely then the pump must be
			disassembled and the impeller checked to see
			if it is clogged. If it is not frozen or clogged then
			there is an obstruction in the line between the
			pool and the pump.
PRESSURE REMAINS HIGH		a. If pressure remains high after backwash -
AFTER BACKWASH			backwash filter again. If still high, treat for
			conditions covered by LIMING-UP above.
MAINTAIN YOUR PRESSURE GAUGE	The pressure gauge is an important part of the	a.	Check the operation of your pressure gauge
IN GOOD WORKING ORDER	filter system. It is your primary indicator of how		in the following manner:
	the system is operating.		(1) The pressure gauge should go to zero (0)
			when the system is turned off and pressure
			is relieved.
			(2) The pressure gauge should indicate pressure
			when the system is operating.
			(3) The pressure gauge should be readable and
			not damaged in any way.
			(4) Replace the pressure gauge if it is not
			meeting the requirements of items
			(1) through (3) of this section.
DIATOMITE IS CONTINUOUSLY		a.	Inspect the elements for any tears or holes.
ENTERING THE POOL		b. Inspect the internal air bleed sock for tears
			and proper installation.
		c.	Inspect the elements and make sure the elements
			are positioned vertically and properly seated
			between the upper manifold and lower manifold.

Quad D.E.™ Filter Installation and User’s Guide