3UG4625 residual current monitoring relay with 3UL23 transformer
8.5 Diagnostics
3UG4 / 3RR2 monitoring relays
204 Manual, 05/2016, NEB927043002000/RS-AC/004
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.
The following statuses and faults are indicated on the display as a diagnostics message with
the following symbols:
①
5.00A
• Not flashing: the currently measured current is displayed
•
Flashing: A current overshoot has occurred (the currently measured
current flashes on the display)
②
Monitoring for current overshoot
Current is in correct range
Flashing alternately. The warning threshold has been exceeded
②
Flashing: A current overshoot has occurred
③
I
▲
• Not flashing: 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
I!
• Not flashing: 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
---A Self-test active, no measurements
①
Measurement range exceeded (> 40 A)
0.00A Fallen below measurement range
Open circuit (flashing)
You will find more information about the switching behavior of the output relay in Chapter
"Functions (Page 193)."
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