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Do not remove or replace the UV lamp in a hazardous location.
WARNING
Cause: Incompatible application.
Falt3: UV lamp fault. UV lamp has not started.
Cause: UV lamp has not started immediately.
Cause: UV lamp serial number label is blocking the
Do not remove or replace the UV lamp in a hazardous location.
WARNING
Action: Install a new UV lamp. See Removing and
Replacing the UV Lamp on page 116.
Action: The concentration and sample gas are
incompatible for use with 2020.
Action: This fault may be seen momentarily when
2020 is first turned on. Allow 60 seconds
for the UV lamp to start and the fault to
clear.
Action: Turn 2020 off and then on again. Allow 60
seconds for the UV lamp to start and the
fault to clear.
photocell.
Action: If you have a UV lamp with a white serial
number label, it is possible that the label is
blocking the photocell. Rotate the lamp
Troubleshooting
129
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Troubleshooting
