Alarms, faults and system messages
9.1 Operating states indicated on LEDs
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
245
SAFE LED displays
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Table 9- 4 Diagnostics of the safety functions
SAFE LED Meaning
YELLOW - on One or more safety functions are enabled, but not active.
YELLOW - slow One or more safety functions are active; no safety function faults have
occurred.
YELLOW - rapid The inverter has detected a safety function fault and initiated a stop
response.
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