Diagnosis
The measurement pressure must be present in at least one billing classin the measurement pressure table.
Note:
As a consequence of the multiple assignment option whereby you canassign a device to different installations with differing billingclasses, the billing class may not be clear for a purely technicalinstallation.
The permissible measurement pressures for the planned billing classshould be entered here with a view to subsequent use.

System Response
Error

Procedure
The measurement pressure should be defined in the measurement pressuretable if it is to be used.