Fault Tracing; What This Chapter Contains; Supply Unit Status, Fault And Warning Leds - ABB ACS800-07-0610-3 Hardware Manual

Fault tracing

What this chapter contains

This chapter instructs in interpreting the LED indications of the ACS800-07.
Note: Information on warnings and faults reported by the application program (and
displayed on the CDP-312R drive control panel on the cabinet door) are contained
within the Firmware Manual delivered with the drive.

Supply unit status, fault and warning LEDs

LEDs on DSSB board
(inside control and I/O cubicle)
LED
LEDs on the DSSB board
FAN FAILURE
SUPPLY MISSING
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Cause
Cooling fan failure.
LED blinks and Phase L_._ Missing
LED on module cover blinks: Main
circuit AC fuse has blown, fuse on
DSAB-01C board has blown, or input
power terminal is loose.
LED blinks but no Phase L_._ Missing
LED on module cover blinks: Auxiliary
circuit AC fuse of Diode Supply Unit
has blown, main circuit AC fuse of
branches L1.1, L2.1 or L3.1 of the first
DSU module has blown, or input power
terminal is loose.
LED on: DSU overload or faulty DSSB
control board.
LEDs on supply module front
, 0 m m
D C . u s e . a i l u r e
, 0 0 m m
, 0 0 m m
. a n . a i l u r e
, 0 0 m m
O v e r T e m p . a i l u r e
, 0 0 m m
P h a s e L 1 . 1 M i s s i n g
, 0 0 m m
P h a s e L 2 . 1 M i s s i n g
P h a s e L 3 . 1 M i s s i n g
, 0 m m
, 0 0 m m
What to do
Change fan.
Change main circuit AC fuse. Change fuse on DSAB
board or DSAB board. Check and tighten input
power terminals.
Change blown auxiliary circuit AC fuse. Change
blown main circuit AC fuse. Check and tighten input
power terminals.
Check load. Are all parallel-connected supply
modules in place? Decrease load or replace missing
module. Change faulty DSSB board.
113
P o w e r
. a n . u l l S p e e d
O v e r T e m p W a r n i n g
P h a s e L 1 . 2 M i s s i n g
P h a s e L 2 . 2 M i s s i n g
P h a s e L 3 . 2 M i s s i n g
C o d e : 6 4 6 9 4 8 8 3 C o d e : x x x x x x x x
Fault tracing