■
Control unit LEDs
Indication
Color
LED
Battery voltage of the real-time clock is OK (higher than 2.8 V).
When the LED is not lit,
Green
BATT OK
• battery voltage is below 2.8 V,
• the battery is missing, or
• the control unit is not powered.
Internal voltage OK
Green
PWR OK
The control program indicates that the equipment is faulty. See
the appropriate firmware manual.
Red
FAULT
Writing to SD card in progress.
Yellow
WRITE
Maintenance 77
Summary of Contents for ACS880-307LC
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 307LC diode supply units Hardware manual ...
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Page 41: ...10 9 7 6 8 Electrical installation 41 11 ...
Page 73: ...11 12 12 6 10 Maintenance 73 ...
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Page 96: ... 400 mm wide input cubicle 96 Technical data ...
Page 97: ... 600 mm wide incoming cubicle or input cubicle Technical data 97 ...