WMA-5 Operation Manual V. 1.01
16
Routine System Checks
The WMA-5 is designed to monitor CO
2
24/7 and should require minimal maintenance. The routine
system checks are as follows:
Flashing Heart (
♥)
–
Make sure that the heart symbol is flashing in the upper left hand corner.
Water Trap
– Periodically inspect for water build-up and empty as required.
Status Box
– Inspect periodically for error messages/warnings.
Absorber Column
•
Make sure absorber column is seated properly in its manifold.
•
Soda lime is fresh to ensure that the unit receives a good Zero to maintain calibration and
stability. If you have any doubt about the freshness of the soda lime you should replace it.
•
All “O” rings are lubricated with silicone grease to ensure good seal and to avoid problems
associated with breaking or cracking.
•
Inspect gray foam filters and replace if worn or reduced in size.
Touch Display Overview
The flowchart below describes an overview of the touch display for the WMA-5. When the instrument is
first powered up, there is a brief period where the Splash screen is shown. After this time, the instrument
goes into the warm-up period which is approximately 10-15 minutes and the Measure screen is displayed.
During and after the warm-up period, the user has the ability to navigate through the menus as shown in
the flowchart below. The following sections describe each screen and its functionality.