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– E650 Series 4 – ZMD400AT/CT, ZFD400AT/CT – User Manual
meter should be removed and sent to the responsible service and repair
centre (according to section 6.3 "Repairing meters").
6.2.1
Structure of an error message
An error message has the following form:
Figure 73. Error message on E650 meters
All E650 meters use the same format for error messages. It consists of four
groups of 2 digits each, whereby the groups have the following significance:
Figure 74. Significance of error message
Each group has two digits written in hexadecimal notation and can
therefore have the values 0 to 9 and letters A to F. Both digits each form
the sum of the individual values of 4 possible types of error as shown in the
following diagrams.
6.2.2
Error groups
Group 1 of error messages
of E650 meters
1
2
4
8
1
2
8
Low battery
Invalid clock
*
* not used
*
*
*
*
*
Value in hexadecimal code
Sum of values
4
Figure 75. Group 1 of error messages
The first digit in the first group has no significance, since no error messages
are assigned to it.
Time-base errors
(clock)
