Operating instructions

Troubleshooting
8.2 Diagnostics Display
Control Units CU240S
Operating Instructions, 10/2007, A5E00766042B AC
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8.2 Diagnostics Display
Overview
The G120 inverter provides the following types of diagnostic display:
● LEDs on the Control Unit
A detailed overview on the LED states is given in section "Operation States displayed via
LED" in this manual.
● Alarm and fault numbers
You use the alarm and fault numbers for troubleshooting via BOP and STARTER. For
details for troubleshooting with STARTER, refer to the respective online help.
● Diagnostic parameters
For troubleshooting via a higher-level control system