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Pentair CristalFlo II - Troubleshooting

Pentair CristalFlo II
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Page 9
Troubleshooting
Symptom Remedy
Filter Startup
Pressure High and
Water Flow Low
Filter requires backwash - Follow backwash procedure
outlined in Manual.
Return Line restricted - Check for flow at return.
Filter Startup
Pressure Low and
Water Flow Low
Skimmer Basket full of leaves or debris - Clear Skim-
mer Basket of all foreign matter and debris.
Pump Strainer Lid not sealed correctly. - Refer to pump
Owners Manual for correct procedure for sealing
strainer lid correctly.
Pool water level too low. - Fill Pool correct level.
Pump Impeller Blocked - Call an authorised service
agent to service pump.
Short Filter Cycles Filter Dirty - Filter not backwashed for long
enough period.
Replace Media (Sand or Zelbrite)
Algae present in Pool water. - DON’T RUN FILTER
WITH LIVE ALGAE IN POOL. Check the chemical condi-
tion of pool water and refer to Pool Water Chemical
Treatment. Note: Incorrect chemical treatment will
greatly shorten filter cycle.
Leaking From
Filter Tank Joint
Tank o-ring dirty
O-ring incorrectly fitted - or pinched
Clamp Band not correctly fitted

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