PerkinElmer Photovac 2020 Manual page 133

Do not replace the inlet filter in a hazardous location.
WARNING
Cause: UV lamp is too wide, causing flow to be restricted.
Do not remove or replace the UV lamp in a hazardous location.
WARNING
Cause: 2020 has been exposed to a solvent that can pass
Cause: The pump has failed.
Action: Check for an obstruction in the sample line.
Make sure the sample line, the sample
probe and the inlet filter are not blocked.
Action: Replace the inlet filter. See Replacing the
Sample Inlet Filter on page 120.
Action: Ensure the sample outlet, located on the
underside of 2020, is not obstructed.
Action: If you have a UV lamp with a white serial
number label, it is possible that the lamp is
too wide for the lampholder. Contact the
Service Department.
through the inlet filter and liquid has been aspirated.
Action: Contact the Service Department.
Action: Contact the Service Department.
Troubleshooting
131