18
System Troubleshooting
Hard Alarms: The following give a constant audible alarm. If present, the solenoid
valve is closed, and the 4-20, remote alarm and ethernet modules transmit the alarm.
System Display Problem Resolution
The system has detected a
problem with the lamp.
Reset lamp protection
circuit – unplug unit for
10 seconds. Replace
the lamp with the part as
indicated on the silver label
on the reactor or on the
Maintenance parts screen.
Although the lamp is
powered and visibly
illuminated, due to the
lamp’s age its UV output
isnolongersufcientfor
proper disinfection.
Replace the lamp with the
part as indicated on the
silver label on the reactor or
on the Maintenance parts
screen.
Low UV Intensity.
Remove and clean the
quartz sleeve and sensor.
Check water quality meets
requirements on page
5andaddltrationas
required. Replace lamp.
Wrong lamp or sensor
installed.
Replace component with
proper model as indicated.
The UV sensor is no longer
communicating to with the
system.
Ensure all modules are
connected properly to the
system and to each other.
Modules can be tested
individually by plugging in
one at a time and cycling
power to the system.
Replace any module that is
not detected when plugged
directly into the controller.
A bad connection has been
detected in the IEP port.
Missing or incorrect lamp
key.
Ensure the lamp key
(packed with the lamp, on
the connector) is installed.
Unplug and reinstall the
key. Ensure the key part
number matches Lamp on
Mainte-nance Parts screen.
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