PerkinElmer Photovac 2020, Manual

Page: 135 / 190

Troubleshooting
133
Action: Enter the correct response factor. Refer to
page 169 for a list of response factors. If
the compound is not listed or you are
measuring gas mixtures, then enter a value
of 1.0.
Cause: You are not using the correct Cal Memory.
Action: Select the correct Cal Memory for your
application. See Calibration Using the
Flow-Match Regulator on page 70 or
Calibration Using a Gas Bag on page 73.
NOTE: It does not matter which Cal Memory is selected or which
response factor is entered. 2020’s response is not specific to
any one compound. The reading displayed represents the total
concentration of all ionizable compounds in the sample.
Cause: Detector is leaking. A decrease in sensitivity may
be due to a leak in the detector.
WARNING
Do not remove or replace the UV lamp in a hazardous location.
Action: Ensure the UV lamp has been installed
correctly. See Removing and Replacing
the UV Lamp on page 116.
Action: Ensure the lamp cover has been tightened
down. Do not overtighten the cover.
Action: Ensure the o-ring seal on the la mp cover is
positioned correctly. See Removing and
Replacing the UV Lamp on page 116.
Cause: UV lamp is too long, causing flow to be restricted.