Fault Tracing; Contents Of This Chapter - ABB ACS880-07 User Manual

Fault tracing

Contents of this chapter

This chapter provides general diagnostics and troubleshooting tips.
Fault tracing
The emergency stop safety relay [A61] type is DOLD UG 6960.
This table gives the indications of the DOLD UG 6960 relay:
LED Color LED is on
ON Green Power supply is connected.
ERR Red System error. Replace the
unit if the error is not re-
moved after restart.
K1/K2 Green Relays K1 and K2 are ener-
gized (instantaneous con-
tact).
K3/K4 Green Relays K3 and K4 are ener-
gized (delayed contacts).
LED is flashing
-
When flashing in 1:1 rela-
tion: Power supply under-
voltage or overvoltage.
When flashing in 4:1 rela-
tion: There is an external er-
ror.
There is an external error.
See the figure below for the
indications of the LED.
During the time delay.
Fault tracing 27
8
LED is off
Power supply is not connec-
ted.
-
-
-