05.2005
Start-up
Siemens AG
6SE7087-2NP85-0AA0
SIMOVERT MASTERDRIVES
Operating Instructions
3-3
3.2.3
50 kW / 100 kW rectifier units
LED Designation Meaning
Green Run
•
Pre-charging is finished
•
Rectifier unit ready-to-operate
Red Failure
Group fault,
There is a fault in the rectifier unit, "fault“ (X91)
contact is open:
•
24 V supply voltage < 19 V
•
Line phase failure
•
DC link voltage > 800 V
•
Heat sink temperature too high,
•
Short circuit of braking resistor
Yellow Chopper active Brake chopper activated.
Table 3-3
Operating statuses of the rectifier unit
The fault message is not stored. It is only displayed for as long as a
fault is present (at least 1 sec) and need not be acknowledged.
NOTE
