Jandy DEV Series User Manual

Page 13Diatomaceous Earth Pool Filters - DEV Series Filter
Table 4. 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.
Backwash filter per instructions.
Replace filter grids.
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 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).
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.
Short filter cycles. 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.
Check disinfectant content.
Check pH, total alkalinity and TDS.
Replace baskets.
Check pump performance.
Clean or replace filter grids per in struc tions.
High pressure on start-up. Small eyeball fitting in Pool/Spa.
Partially closed valve on return line.
Too large of pump.
Filter grids dirty.
Replace with larger diameter fitting.
Check and fully open all valves on return line.
Check pump and filter selection.
Clean filter grids per instructions.
Dirt returns to pool. Hole in filter grid fabric.
Worn o-ring seal inside filter.
Cracked manifold.
Replace filter grid per instructions.
Replace o-ring.
Replace the manifold assembly.

Jandy DEV Series Specifications

General

Brand	Jandy
Model	DEV Series
Category	Swimming Pool Filter
Language	English