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Procedure:
1
• Disconnect the existing
sensor cable from the
controller.
Section 6
Troubleshooting
Symptom
Possible Causes
Sediment pre-filter clogged
Pressure Drop
Flow regulator
Quartz sleeve is stained or dirty
Change in feed water quality
High Bacteria
Contamination in water lines after UV
Counts
system
Possible break-through of sediment
through pre-filter
Heated Product
Common problem caused by
Water
infrequent use of water
Water Appears
Caused by air in the water lines
Milky
Problem with O-ring seal (on retaining
nut and/or UV sensor)
Unit Leaking
Condensation on chamber caused by
Water
excessive humidity & cold water
Inadequate inlet/outlet port
connections
System Shutting
Interrupted controller
Down
Intermittently
Loose connection between lamp and
connector
Lamp Failure
Alarm on - New
Moisture build up in connector may
Lamp
keep lamp and connector from
making a solid connection
2
1
2
• Connect the 'Y' cable to the
controller.
Replace filter cartridge with appropriate 5 micron cartridge.
Note: Check source water supply as fluctuations may occur in source pressure.
Flow regulator will result in pressure drop when approaching full flow.
Clean sleeve with scale cleaner and eliminate source of staining problem (ie. soften hard water,
refer to
Section
Have source water tested to ensure that water quality is still within allowable limits for this system.
It is imperative that effluent water stream be shocked with chlorine (bleach) before water leaves UV
system - disinfection system must have a bacterial free distribution system to work effectively.
Refer to
Section 3.2
Have source water tested for turbidity - may need stepped filtration in order to catch all sediment
entering water system (20 micron filter followed by a 5 micron filter followed by UV system).
Run water until it returns to ambient temperature.
Run water until air is purged.
Ensure O-ring is in place, check for cuts or abrasions, clean O-ring, moisten with water/ lubricant
and re-install, replace if necessary (410867).
Check location of disinfection system and control humidity.
Check thread connections, reseal with Teflon
•
Ensure system has been installed on its own circuit, as other equipment may be drawing
power away from UV (ie. pump or fridge).
•
UV system should not be installed on a circuit which is incorporated into a light switch.
Disconnect lamp from connector and reconnect, ensuring that a tight fit is accomplished
Eliminate chance of any moisture getting to the connector and/or lamp pins
3
• Attach the "male" end of the
removed sensor cable to the
"female" end of the new "Y"
cable.
• Appropriately attach the 4-20
mA cable to the applicable
equipment and ensure all
connections are hand-tighten.
Solutions
4.2.
®
tape and re-tighten.
Troubleshooting
16
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