Siemens MICROMASTER 420 Reference Manual

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MICROMASTER 420 Reference Manual
Issue A1
75
5 Troubleshooting
This chapter contains an explanation of troubleshooting with the Status Display
Panel.
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5.1 Troubleshooting with Status Display Panel.............................................................76
5.2 MICROMASTER 420 Fault Codes ..........................................................................76
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Table 5-1 Inverter conditions indicated by the LEDs on the SDP.........................................................76

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