Troubleshooting
(continued)
22
OZONE GENERATOR
–
continued
PROBLEM/SYMPTOM
POSSIBLE CAUSE
SOLUTION
Unit flooded with water
- Defective check valve
- Replace check valve(s)
Ozone smell detected in or
- Assess damage, repair as required near
ozone generator - Insufficient vacuum at venturi
- Adjust injector See “Start- Up &
Calibration - Steps 1-4”
- Loose internal fittings
- Check all fittings, tighten as needed
- Defective O-ring seals in reaction chamber(s)
- Check & replace as required
- Defective dielectrics
- Check & replace as required
OZONE INJECTION/CONTACTING
PROBLEM/SYMPTOM
POSSIBLE CAUSE
SOLUTION
Water backflow past injector
- Defective check valve
- Replace check valve
check valve
Water bubbling in vacuum break
- No vacuum
- See “Start-Up & Calibration”
- Debris on seat of vacuum break flapper valve
- Clean seat of flapper. See “Maintenance
Procedures - Annual”
Low vacuum
- Hydraulics/Pneumatics out of adjustment
- See “Start-Up & Calibration - Steps 1-4”
- Defective check valve
- Replace check valve
- Hydraulic back pressure
- Back wash filter (if so equipped)
- Check for obstruction in venturi
- Defective solenoid valve
- Rebuild or replace as required
- No water in vacuum break
- Fill vacuum break with water See
“Start-Up and Calibration – Vacuum
Break”
- Booster pump not functioning properly
- Check booster pump (contact dealer)
High Vacuum
- Hydraulics/Pneumatics out of adjustment
- See “Start-Up & Calibration – Steps 1-4”
- Change in hydraulics – excessive water flow
- See “Start-Up & Calibration – Steps 1-4”
through ozone injector
Ozone smell detected around
- No vacuum
- See “Start-Up & Calibration – Steps 1-4”
vacuum break or ozone injector
- Loose fittings
- Tighten all fittings
- Broken fittings
- Replace fittings