Troubleshooting
17
Section 6
Troubleshooting
Symptom
Possible Causes
Solutions
Pressure Drop
Sediment pre-filter clogged
Replace filter cartridge with appropriate 5 micron cartridge.
Note:
Check source water supply as fluctuations may occur in source pressure.
Flow regulator
Flow regulator will result in pressure drop when approaching full flow.
High Bacteria
Counts
Quartz sleeve is stained or dirty
Clean sleeve with scale cleaner and eliminate source of staining problem (ie. soften hard water,
refer to
Section 4.2
.
Change in feed water quality
Have source water tested to ensure that water quality is still within allowable limits for this system.
Contamination in water lines after UV
system
It is imperative that effluent water stream be shocked with chlorine (bleach) before water leaves UV
system - UV system must have a bacterial free distribution system to work effectively. Refer to
Section 3.2
Possible break-through of sediment
through pre-filter
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).
Heated Product
Water
Common problem caused by
infrequent use of water
Run water until it returns to ambient temperature.
Water Appears
Milky
Caused by air in the water lines
Run water until air is purged.
Unit Leaking
Water
Problem with O-ring seal (on retaining
nut and/or UV sensor)
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).
Condensation on chamber caused by
excessive humidity & cold water
Check location of UV system and control humidity.
Inadequate inlet/outlet port
connections
Check thread connections, reseal with Teflon
®
tape and re-tighten.
System Shutting
Down
Intermittently
Interrupted controller
•
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.
Lamp Failure
Alarm on - New
Lamp
Loose connection between lamp and
connector
Disconnect lamp from connector and reconnect, ensuring that a tight fit is accomplished
Moisture build up in connector may
keep lamp and connector from
making a solid connection
Eliminate chance of any moisture getting to the connector and/or lamp pins
DISPLAY FAULT MODES
LED display reads “A3”
•
Lamp life expired - countdown is at “0” days. Refer to
Section 5.1.2
.
•
Press reset button for a deferred alarm, replace UV lamp.
LED display is blank
•
Controller is in lamp failure mode. Refer to
Section 5.1.5
.
•
Power system down, allowing it to reset itself; apply power in order to confirm that the controller is able to power lamp.
•
Check to see if there is sufficient power to the UV system.
•
Replace lamps.
Low UV level displayed
on screen
•
Test water supply to see if water quality meets recommended parameter limits.
•
Clean quartz sleeves and sensor eye.
LED flashing “A2” and
then back to UV level
•
Low UV alarm deferral has been activated. Refer to
Section 5.2.1
.
•
UV level has dropped below 50% and the audible alarm has been muted by pressing the reset switch and holding it for 5
seconds.
•
This audible alarm deferral will only last 12 hours.
