Siemens MICROMASTER 420 Operating Instruction

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

Siemens MICROMASTER 420 Specifications

General

Power Range	0.12 kW to 11 kW
Output Voltage	0 to input voltage
Input Frequency	47 Hz to 63 Hz
Output Frequency	0 Hz to 650 Hz
Overload Capacity	150% for 60 seconds
Enclosure Rating	IP20
Input Voltage	200 V to 240 V (±10%), 380 V to 480 V (±10%)
Control Type	V/f control
Braking	Optional braking module
Protection Features	Overcurrent, overvoltage, undervoltage, overload, short circuit, ground fault
Cooling	Air-cooled
Ambient Temperature	-10 °C to +50 °C
Communication Interfaces	USS protocol