INS
TALLA
TION
W
ARRANT
Y
MAINTENANCE
OPERA
TION
O
VER
VIEW
No power
GFCI and/or breaker tripped
Transient voltage surge suppressor (TVSS)
damaged
Power supply damaged
Reset GFCI and/or breaker
Replace TVSS
Replace power supply and use a TVSS
GFCI or breaker
repeatedly trips
Connection between lamp and lamp plug
is wet
Short-circuit in the electrical assembly
Clean and dry lamp pins and lamp plug,
check unit for leaks or condensation
Replace power supply
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)
O-ring damaged, deteriorated or incorrectly
installed
Lamp/sleeve assembly not properly installed
(too tight or not tight enough)
Control humidity or relocate unit
Inspect and replace if deteriorated
Tighten assembly hand-tight
Alarm
See Control Panel section on page 15
See Control Panel section on page 15
System is operating
but water tests
reveal bacterial
contamination
Equipment downstream of UV system is
acting as a breeding ground for pathogens
Pathogens are residing in the distribution
lines post-UV
Recontamination from pipe dead-ends
Ensure UV is the last piece of treatment
equipment
Ensure all distribution lines have been
disinfected with chlorine - see Disinfecting
the Water Lines section
Remove any pipe dead-ends and flush with
chlorine - see Disinfecting the Water Lines
section
Lamp timer does not
read anything
Unit is unplugged
No power at AC power outlet
Power cord is damaged
Power surge caused damage to electrical
assembly
Plug unit into AC power outlet
Replace fuse or reset breaker
Replace power cord
Replace power supply and use a surge
protector (TVSS)
Leak detected at
filters
O-ring damaged, deteriorated or
incorrectly installed
Filter cartridge not centered
Remove the sump, wipe the o-ring and
threads clean. ensure the o-ring is fitted
properly, then reinstall
Remove sump, check for cartridge damage,
re-assemble ensuring cartridge is centered
Possible cause
Possible solution
Symptom
TROUBLESHOOTING
The table below is a list of
possible
causes and solutions. Before replacing parts, please contact VIQUA
Technical Assistance for any other troubleshooting techniques. 1-800-265-7246
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