6. TROUBLESHOOTING International English
MICROMASTER 420 Operating Instructions 91
6SE6400-5AA00-0BP0
6 Troubleshooting
This Chapter contains:
♦ An overview of the inverter states indicated by the LEDs on the Status Display Panel
supplied as standard with your inverter
♦ Some general information on a variety of troubleshooting measures.
♦ A list of the fault codes that may appear on the display of the BOP. The cause and
recommended corrective action are indicated for each fault code listed.
6.1 Troubleshooting with the Status Display Panel........................................................... 92
6.2 Troubleshooting with the Basic Operator Panel.......................................................... 93
6.3 MICROMASTER 420 fault codes ............................................................................... 94
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