Troubleshooting - Jandy DEL Series Installation And Operation Manual

Jandy ® Filters
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
1. For a list of common problems and solutions see the
Troubleshooting Guide below.
2. Jandy recommends that you call a qualified service
technician to do any work on the filter/pump system. For
technical service call 707.776.8200, ext. 260.
Fault Symptom
Water is not clear.
Low water flow or
low pressure.
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.
Pool water level too low.
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) Replace baskets.
Pump output exceeds design
flow rate of filter
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.
For Technical Service, call 707.776.8200, ext 260.
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
instructions.
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.
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.
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