Troubleshooting
16
Section 6
Troubleshooting
6.1 LOW UV ALARMS (PRO and Plus Series Only)
Symptom
Possible Cause
Possible Solution
No power
GFCI and/or breaker tripped
Reset GFCI and/or breaker
Controller fuse has blown
Replace controller fuse - see Fuse Replacement section
(Refer
Section 4.3
).
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)
Ensure nut is turned completely
Alarm
Refer to
Section 5.1
.
Refer to
Section 5.1
.
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
.
Flow Meter Sensor red status
LED
Detect Flow Sensor not detecting flow
Increase Flow rate through meter
Flow Meter Sensor not functioning
Flow Meter requires maintenance or replacement
Figure 4 Low UV Alarms (PRO and Plus Series Only)
Low UV
Alarms
Yes
Amber
Red
Green
Amber
<75%
<75%
<75%
>75%
>75%
>75%
Green
Green
Green
Red
Red
Green
Green
Green
Green
Green
Green
Red
Red
Red
Red
Red
Red
Red
No
Is There a
Flow Meter
Turn Off
Water Supply
Clean System
Run @
75-100%
rated flow
Power
Reset
Normal
Operation
Normal
Operation
UV Sensor
LED
UV Sensor
LED
UV Sensor
LED
Clean System
Clean System
Run System
Dry
Sensor
LED
Sensor
LED
Sensor
LED
Check UVT
UVT
Introduce
Water
Change
Sensor
Change
Lamp
Change
Lamp
Change
Sensor
Sensor
LED
UV Sensor
LED
Normal
Operation
Normal
Operation
Normal
Operation
Address UVT
Issue
Address UVT
Issue
Clean
System
Flow water
@ 70%
rated flow
Check
UVT
Check
UVT
UVT
Address UVT
Issue
UVT
Change
Sensor
Change
Sensor
Run @
75-100%
rated flow
Sensor
LED
Sensor
LED
Change Lamp
Change
Lamp
UV Sensor
LED Flashing
Flow Meter LED