Ozone Solutions Waterzone 100, Installation & Operation Manual

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Appendix C - Troubleshooting
Symptom Possible Cause Repair
System does not run Alarm Condition - Message in alarm log Resolve alarm condition
No Power Check and repair incoming power
External stop contacts Ensure external contacts are open
Flow less than 5 gpm flow switch not ac-
tive Increase water flow
Low dissolved ozone levels Water is contaminated Check water quality, repair upstream deficiencies
Water is too warm Lower water temperature
Dissolved ozone reading is inaccurate Check dissolved ozone level against another
standard
Oxygen flow is too low Increase oxygen flow
Water flow is too high Decrease water flow
Ozone Output is low Increase ozone generator output
ORP high Check ORP Set-points
Low outlet pressure Increase inlet flow/pressure or decrease outlet
flow
Low O2 flow Low O2 Pressure See section above
Flow restriction Open needle valve or dislodge restriction
Venturi pressure differential too low Operation water pressure too high
Damaged O2 Regulation Valve Replace regulation valve
Low Air Pressure Air leak inside ozone generator Find and repair air leak
Pressure regulator requires adjustment Adjust pressure regulator
Low O2 Pressure O2 or O3 Leak Find and repair leak
Air Pressure Low See low air pressure
Low O2 Flow Low O2 Pressure See low air pressure repair
Flow restriction Open needle valve or dislodge restriction
Insufficient Venturi vacuum Check injector and pump operation