8.5 Diagnostics
8.5.1 Indications on the display
Display information
The display is divided into three di󹪜erent areas.
â‘ Current measured value or fault symbol
â‘¡ Type of monitoring
â‘¢ Symbols of the changeover contacts
Meaning of the information on the display
Note
Indications in the event of a fault
The symbols on the display 󹪞ash to indicate an error.
The following statuses and faults are indicated on the display as a diagnostics message with the
following symbols:
Display
area
Symbol Meaning
â‘ 5.00A
• Not 󹪞ashing: the currently measured current is displayed
• Flashing: A current overshoot has occurred (the currently measured
current 󹪞ashes on the display)
â‘¡ Monitoring for current overshoot
â‘¡ Current is in correct range
â‘¡ Flashing alternately. The warning threshold has been exceeded
â‘¡ Flashing: A current overshoot has occurred
â‘¢ I
â–²
• Not 󹪞ashing: Relay contact 11/12 open, relay contact 11/14 closed
• Flashing: Delay time (ON-delay or tripping delay) running
• Masked out: Relay contact 11/12 closed, relay contact 11/14 open
â‘¢ I!
• Not 󹪞ashing: Relay contact 21/22 open, relay contact 21/24 closed
• Flashing: Delay time (ON-delay) running
• Masked out: Relay contact 21/22 closed, relay contact 21/24 open
â‘ ---A Self-test active, no measurements
â‘
Measurement range exceeded (> 40 A)
3UG4625 residual current monitoring relay with 3UL23 transformer
8.5 Diagnostics
SIRIUS 3UG4 / 3RR2 monitoring relay
146 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005