Instructions / Assembly

Troubleshooting
22
Section 6 Troubleshooting
Symptom Possible Cause Possible Solution
No power
GFCI and/or breaker tripped Reset GFCI and/or breaker
Transient voltage surge suppressor (TVSS) damaged Replace TVSS
Controller damaged Replace controller and use a TVSS
GFCI or breaker repeatedly
trips
Connection between lamp and lamp plug is wet
Clean and dry lamp pins and lamp plug, check unit for leaks
or condensation
Short-circuit in the electrical assembly Replace controller
Leak at inlet or outlet Threaded pipe fittings are leaking Clean threads, reseal with Teflon tape and retighten
Leak detected from area of UV
chamber
Condensation of moist air on cold chamber (slow
accumulation)
Control humidity or relocate unit.
O-ring damaged, deteriorated or incorrectly installed Inspect and replace if deteriorated.
Lamp/sleeve assembly not properly installed (too tight or not
tight enough)
Tighten assembly hand-tight.
Leak detected at sensor (if so
equipped)
UV sensor O-rings are damaged, deteriorated, or incorrectly
installed
Inspect and replace O-rings if deteriorated
Alarm Refer to Section 4.4. Follow Fault Screen Instructions
System is operating but water
tests reveal bacterial
contamination
Equipment downstream of UV system is acting as a breeding
ground for pathogens
Ensure UV is the last piece of treatment equipment
Pathogens are residing in the distribution lines post-UV
Ensure all distribution lines have been disinfected with
chlorine. Refer to Section 3.2.
Recontamination from pipe dead-ends
Remove any pipe dead-ends and flush with chlorine. Refer to
Section 3.2.