SECTION 7. Winterizing
2. Open air release valve and move the MPV handle to
a position between two ports. This will allow air to flow
to all ports.
3. Remove the drain plug at the base of the filter to
ensure that the tank is empty. Store the drain plug and
seal in a safe place. Do not reinstall until next season
at start-up.
4. Drain system piping of all water.
5. Cover the system with a tarpaulin or plastic sheet to
protect from the weather.
SECTION 8. Troubleshooting
8.1 Troubleshooting
11
For Technical Service call 707-776-8200, ext. 260
Troubleshooting Guide
Fault Symptom
Water is not clear.
Low water flow or low pressure.
Pool water level too low.
Short filter cycles.
High pressure on start-up.
Dirt returns to pool.
Possible Problems
Insufficient disinfectant level.
Incorrect pool chemistry
Heavy bathing and/or dirt loads.
Insufficient running times.
Filter is dirty.
Hole in filter grid fabric.
Filter system strainer baskets dirty.
Air leaks on suction side of pump.
Restrictions or blockage in either suction or
return lines.
Filter grids need to be cleaned or replaced.
instructions.
Pump not primed.
Pump impeller vanes blocked.
Pump operating under speed (low voltage).
Presence of algae clogging filter.
Incorrect water chemistry.
Strainer baskets not being used and/or broken.
(Allows debris into pump)
Pump output exceeds design
Ineffective cleaning.
Small eyeball fitting in Pool/Spa.
Partially closed valve on return line.
Too large of pump.
Filter grids dirty.
Hole in filter grid fabric.
Worn o-ring seal inside filter.
Solutions
Check and adjust disinfectant level.
Test and adjust water chemistry.
Adjust filter time and/or water chemistry.
Increase pump run time.
Backwash filter per instructions.
Replace filter grids.
Check and clean skimmer and pump baskets.
Check all connections between pool intake
and pump.
Check all lines for debris.
Clean or replace filter grids per cleaned or
replaced.
Fill pool so level is above pump inlet line.
Fill pump with water at basket and replace lid.
Technician required.
Technician or electrician required.
Check disinfectant content.
Check pH, total alkalinity and TDS.
Replace baskets.
Check pump performance.
Clean or replace filter grids per instructions.
Replace with larger diameter fitting.
Check and fully open all valve on return line.
Check pump and filter selection.
Backwash filter clean filter grids per instructions.
Replace filter grid per instructions.
Replace o-ring.
