User Manual

3UG4621/3UG4622 current monitoring relays
7.5 Diagnostics
3UG4 / 3RR2 monitoring relays
160 Manual, 02/2013, NEB927043002000/RS-AA/002
Note
Deactivating monitoring
If the upper and lower threshold values are deactivated (OFF), monitoring will cease for:
• Current overshoot
• Current undershoot
The up-to-date measured value is displayed permanently.
The parameters are described in Chapter "Parameters (Page 351)."
Menu-based operation is described in Chapter "Menu-based operation (Page 36)."
7.5 Diagnostics
7.5.1 Indications on the display
Display information
The display is divided into three different areas.
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1
① Current measured value or fault symbol
② Type of monitoring
③ Symbol of the change-over contact
Meaning of the information on the display
Note
Indications in the event of a fault
The symbols on the display flash to indicate an error.