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 transmits 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 chamber 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 chamber 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
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 Maintenance Parts
screen.
