Troubleshooting With The Status Display Panel - Siemens MICROMASTER 440 Series Operating Instructions Manual

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