Troubleshooting - Pentair CristalFlo II Owner's Manual

Troubleshooting

Symptom
Filter Startup
Pressure High and
Water Flow Low
Filter Startup
Pressure Low and
Water Flow Low
Short Filter Cycles
Leaking From
Filter Tank Joint
Filter requires backwash - Follow backwash procedure
outlined in Manual.
Return Line restricted - Check for flow at return.
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.
Filter Dirty - Filter not backwashed for long
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.
Tank o-ring dirty
O-ring incorrectly fitted - or pinched
Clamp Band not correctly fitted
Page 9
Remedy
enough period.