PerkinElmer Photovac 2020, Manual

Page: 134 / 190

2020 Software Manual
132
Troubleshooting
Problem: Very low or no instrument response detected, yet
compounds are known to be present.
Cause: 2020 has not been calibrated properly.
Action: Ensure the calibration gas is of a reliable
concentration and then calibrate the
instrument as outlined in Chapter 3.
After the instrument has been calibrated,
sample the bag of calibration gas. A reading
equivalent to the calibration gas should be
displayed. If not, contact the Service
Department.
WARNING
Do not remove or recharge the battery pack in a hazardous location.
Action: Disconnect the battery charger before
calibrating 2020. See Chapter 3 for
calibration instructions.
Cause: Cal Memories have not been programmed
correctly.
Action: Program all the Cal Memories you require
for your application. You must use the
correct calibration gas and concentration
for each Cal Memory. See
Programming
the Cal Memories o n page 76.
Cause: Response factor has been set to zero.