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© Landis+Gyr
1.
All segments of the
display are lit
2.
Enter service menu
R
3.
Select test mode
4.
Enter test mode
5.
Select required
value
6.
Repeat step 3 for all values to be tested
7.
Exit test mode
Examples
First value and value x are examples. The real values are defined in the
parameter settings and are the same as the operating display.
The measured values are displayed at the optical test outputs as shown in
the following table:
Mode
Register on display
Normal mode
Any register
Losses
Test mode
Active energy A
Reactive energy R
Losses (NLA)
Losses (OLA)
Any other registers not
mentioned
D000062026 en a – E650 Series 4 – ZMD400AT/CT, ZFD400AT/CT – User Manual
Maintenance
Operating
display
Display check
Set mode
Test mode
First value
Value x
Operating
display
Test output
Test output
reactive
active
|R|
|A|
2
2
I
h
U
h
|R|
|A|
|A|
|R|
2
2
I
h
U
h
2
2
U
h
I
h
|R|
|A|
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