Siemens MICROMASTER 430 Manual

6 Troubleshooting
MICROMASTER 430 Operating Instructions
74 6SE6400-5AC00-0BP0
WARNING
♦ Repairs on equipment may only be carried out by Siemens Service, by repair
centers authorized by Siemens or by qualified personnel who are thoroughly
acquainted with all the warnings and operating procedures contained in this
manual.
♦ Any defective parts or components must be replaced using parts contained in
the relevant spare parts list.
♦ Disconnect the power supply before opening the equipment for access
6.1 Troubleshooting with the SDP
Table 6-1 explains the
meaning of the various
states of the LEDs on
the SDP.
Table 6-1 Inverter
conditions indicated by the LEDs on the SDP
Mains not present Fault inverter temperature
Ready to run
Warning current limit - both
LEDs twinkling same time
Inverter fault - other than the
ones listed below
Other warnings - both LEDs
twinkling alternatively
Inverter running
Undervoltage trip /
undervoltage warning
Fault overcurrent Drive is not in ready state
Fault overvoltage
ROM failure - Both LEDs
flashing same time
Fault motor overtemperature
RAM failure - Both LEDs
flashing alternatively
LEDs for indicating the drive
state
Off
On
approx. 0,3 s, flashing
approx. 1 s, twinkling
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Siemens MICROMASTER 430 Specifications

General

Power Range	7.5 kW to 250 kW
Voltage Range	380V to 480V
Frequency Range	0 Hz to 650 Hz
Protection Class	IP20
Input Frequency	47 Hz to 63 Hz
Digital Inputs	6
Cooling Method	Forced-air cooling
Communication	USS
Protection Features	Overvoltage, undervoltage, overcurrent, short-circuit, ground fault, overtemperature
Analog Inputs	2
Digital Outputs	3
Analog Outputs	2
Ambient Temperature	-10°C to +50°C
Control Type	Sensorless vector control