Section 8. Troubleshooting - Jandy DEL Series Installation And Operation Manual

Diatomaceous Earth Pool Filters - DEL Series Filter

Section 8. Troubleshooting

1. For a list of common problems and solutions see
the Troubleshooting Guide below.
2. Jandy recommends that you call a qualifi ed service
technician to do any work on the fi lter/pump
system. For technical service call 707.776.8200,
ext. 260.
Table 4. Troubleshooting Guide
Fault Symptom
Water is not clear.
Low water flow.
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 element.
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. (Allow debris into pump.)
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.
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 or partially closed
valves.
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.
Replace baskets.
Check pump performance.
Clean or replace filter grids per in struc tions.
Replace with larger diameter fitting.
Check and fully open all valves on return line.
Check pump and filter selection.
Clean filter grids per instructions.
Replace filter grid per instructions.
Replace o-ring.
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