The UV-C lamps are due for replacement. It’s time to replace.
Frequently Asked Questions
The UV-C lamps are overdue for replacement. It’s time to replace.
- UV lamps should be replaced after 16,000 hours of operation, typically around 18 months.
- The Smart Status UV-C indicators on the front of the unit will change to yellow when UV lamp replacement is due. The indicator will change to flashing red when service is overdue.
Ozone cells are due for replacement. It’s time to replace.
Ozone cells are overdue for replacement. It’s time to replace.
- Ozone modules should be typically be replaced every 3-5 years for optimal performance.
- The Smart Status ozone indicators on the front of the unit will change to yellow when ozone module replacement is due. The indicator will change to flashing red when service is overdue.
There is an error with the UV-C system.
- Check lamp connections
- Check connection to ballast
- UV lamp failure: Replace UV lamps
- Ballast failure
- Incorrect wiring: confirm unit is connected to the output side of the pool time clock
There is an error with the Ozone system.
- Check power connections to ozone cell.
- Replace ozone cell
Ozone and UV-C are both overdue for service.
Replace ozone cells and UV-C Lamps
Flow problem
Insufficient Flow: Verify that pump is running properly and that filters/skimmers are clean
Flow switch failure: Replace flow switch
Flow switch relay failure: Replace flow switch
UV panel switch error
UV access door is not properly closed
Panel switch has failed
Multiple system failure
Both Ozone and UV systems have failed
There is no power to system from power source
Check circuit breaker at distribution box
Check for loose connections or wiring breaks in the lines leading to the terminal block
LED indicators malfunction
There are loose or missing connections to LED indicators. Check power connection to the back of the LED indicators inside the unit door.
LED Indicators have failed
- The ozone gas line assembly should be replaced yearly for best performance.
- The air filter or injector tube should be replaced if worn are dirty.
- The quartz tube should be replaced if it is scratched or damaged. It should be cleaned every six (6) months.
- It is normal for bubbles to appear from one or more return lines coming from the AOP unit.
- If you prefer to stop all bubbles or have a vinyl liner pool, a Mixing De-gas Vessel (MDV) can be installed to eliminate all bubbles.
- In-floor cleaning systems create high back-pressure for all equipment on the pad.
- To prevent back-pressure from effecting the DEL AOP unit, it should be installed on a separate return line from the in-floor cleaning system.



