Alarms, faults and system messages
11.3 Status LED overview
Converter with control units CU250D-2
308 Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
Status LED overview
LED status indicators
The Control Unit has number of dual-colour LEDs which are designed to indicate the
operational state of the Inverter. The LEDs are used to indicate the status of the following
states:
● General fault conditions
● Communication status
● Input and Output status
● Safety-Integrated status
The location of the various LEDs on the Control Unit are shown in the figure below.
Figure 11-9 Status LED locations
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