Siemens 3UG4 - Diagnostics; Diagnostics with Leds

3UG458. insulation monitoring relay
9.4 3UG4582/3UG4583 insulation monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
253
9.4.4
Diagnostics
9.4.4.1
Diagnostics with LEDs
Status display
The following information indicates the operating state on the 3UG4582/3UG4583 insulation
monitoring relays:
Operating state
LED (green)
LED F (red)
LED (yellow)
Startup
Off Off
No fault
Off
• On the 3UG4582:
• On the 3UG4583: Dependent
on the configuration
Pre-warning
1)
Insulation fault
(threshold undershot)
• On the 3UG4582: Off
• On the 3UG4583: Dependent
on the configuration
PE/KE open circuit
• On the 3UG4582: Off
• On the 3UG4583: Dependent
on the configuration
L+/L- open circuit at
system start
1)
/
Test function
1)
/
Dependent on the configuration
System discharge
capacity too
high/measured result
invalid
• On the 3UG4582: Off
• On the 3UG4583: Dependent
on the configuration
Internal fault
• On the 3UG4582:
Off
• On the 3UG4583:
Dependent on the
configuration
• On the 3UG4582: Off
• On the 3UG4583: Dependent
on the configuration