Pentair D.E. Cartridge Style Filter Quad D.E. - Manual (Page 20)

14
Quad D.E. ® Filter Installation and User’s Guide
Troubleshooting, cont’d.
Problems and Corrective Actions
Problem Corrective Action
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.