Siemens MICROMASTER 440 Series, Руководство по эксплуатации

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6 Troubleshooting International English
MICROMASTER 440 Operating instructions
68
6SE6400-5CA00-0BP0
Warnings
♦
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 Status Display Panel
Table 6-1 explains the meaning of the various states of the LEDs on the Status
Display Panel (SDP).
Table 6-1 Inverter conditions indicated by the LEDs on the SDP
LEDs
Green Yellow
Priority
Display
Inverter Status Definitions
OFF OFF 1 Mains not present
OFF ON 8 Inverter fault – other than those listed below
ON OFF 13 Inverter running
ON ON 14 Ready to run – standby
OFF Flashing – R1 4 Fault – Overcurrent
Flashing – R1 OFF 5 Fault – Overvoltage
Flashing – R1 ON 7 Fault – Motor Overtemperature
ON Flashing – R1 8 Fault – Inverter Overtemperature
Flashing – R1 Flashing – R1 9 Warning Current Limit (both LEDs flashing at the
same time)
Flashing – R1 Flashing – R1 11 Other warning (both LEDs alternate flashing)
Flashing – R1 Flashing – R2 6/10 Undervoltage trip/Undervoltage warning
Flashing – R2 Flashing – R1 12 Inverter is not in ready state – display >0
Flashing – R2 Flashing – R2 2 ROM failure (both LEDs flashing at the same time)
Flashing – R2 Flashing – R2 3 RAM failure (both LEDs alternate flashing)
R1 – On time 900 milliseconds R2 – On time 300 milliseconds
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