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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
is no longer sufficient for
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 5 and
add filtration as required.
Replace lamp.
Wrong lamp or sensor
installed.
Replace component with
proper model as indicated.
The UV sensor is no
longer communicating
with the system.
Ensure all modules are
connected properly to the
system and to each other.
Modules can be tested indi-
vidually 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.
