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Cartridge Pool Filters - CL and CV Series Filters
Table 2.
Troubleshooting Guide
Fault Symptom
Possible Problems
Solutions
Water is not clear.
Insufficient disinfectant level.
Incorrect pool chemistry.
Heavy bathing and/or dirt loads.
Insufficient running times.
Filter is dirty.
Hole in filter element.
Check and adjust disinfectant level.
Test and adjust water chemistry.
Adjust filter time and/or water chemistry.
Increase pump run time.
Clean filter cartridges per instructions.
Replace cartridge.
Low water flow.
Filter system strainer baskets dirty.
Air leaks on suction side of pump.
Restrictions or blockage in either suction or
return lines.
Filter cartridges need to be cleaned or
replaced.
Pool water level too low.
Pump not primed.
Pump impeller vanes blocked.
Strainer baskets not being used and/or
broken. (Allow debris into pump.)
Pump operating under speed (low voltage).
Check and clean strainer baskets.
Check all connections between pool intake
and pump.
Check all lines for debris or partially closed
valves.
Clean or replace filter cartridges per
instructions.
Fill pool so level is above pump inlet line.
Fill pump with water at basket and replace lid.
Technician required.
Replace baskets.
Technician or electrician required.
Short filter cycles.
Presence of algae clogging filter.
Incorrect water chemistry.
Pump output exceeds design flow rate of
filter.
Ineffective cleaning.
Check disinfectant content.
Check pH, total alkalinity and TDS.
Check pump performance.
Clean or replace filter cartridge per
instructions.
High pressure on start-up.
Small eyeball fitting in Pool/Spa.
Partially closed valve on return line.
Too large of pump.
Filter cartridges dirty.
Replace with larger diameter fitting.
Check and fully open all valves on return line.
Check pump and filter selection.
Clean filter cartridges per instructions.
Dirt returns to pool.
Hole in filter cartridge.
Worn o-ring seal inside filter.
Replace filter cartridge per instructions.
Replace o-ring.
Section 8. Troubleshooting
1.
For a list of common problems and solutions see
the Troubleshooting Guide below.
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system. For technical service call 707.776.8200,
ext. 260.
