Fault tracing
Contents of this chapter
This chapter describes the fault tracing possibilities of the drive.
LEDs
This table shows the LEDs visible on the control panel mounting platform on cabinet door
(when panel has been removed), and on the BCU-xx control unit inside the cabinet.
IndicationColorLEDWhere
Control unit is powered and +15 V is supplied to the control panel.GreenPOWERControl panel
mounting
platform
Drive in fault state.RedFAULT
Battery voltage of the real-time clock is OK (higher than 2.8 V).
When the LED is not lit,
GreenBATT OKControl unit
• battery voltage is below 2.8 V,
• the battery is missing, or
• the control unit is not powered.
Internal voltage OKGreenPWR OK
The control program indicates that the equipment is faulty. See
the appropriate firmware manual.
RedFAULT
Writing to SD card in progress.YellowWRITE
Warning and fault messages
See the firmware manual for the descriptions, causes and remedies of the drive control
program warning and fault messages.
10
Fault tracing 123
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