ACE-tronics G9 ASD Installation and Operation Manual
249
Alarms
Table 14
lists the alarm codes that may be displayed during operation of the ASD. Each alarm code listed
is accompanied by a description and a possible cause. In the event that the source of the malfunction
cannot be determined, contact your ACE World Companies Customer Support Center for additional
information on the condition and for an appropriate course of action.
Table 14. ACE-tronics G9 ASD Alarms.
LCD Screen
LED
Screen
Description
Possible Causes
*
ASD Overload
OLI
Load requirement in excess of
the capability of the ASD.
• The carrier frequency is too high.
• An excessive load.
• Acceleration time is too short.
• DC damping rate is set too high.
• The motor is starting into a spinning load
after a momentary power failure.
• The ASD is improperly matched to the
application.
Autotuning
ATN
Autotune active.
• Autotune active.
Brake Failure
BRKF
Encoder pulses greater than
F994
setting detected while
brake is set or during normal
operation more pulses than
the
F995
setting occurred
after applying the brake.
• Brake Failure.
Brake Fault
BrF
Encoder pulses received with
brake on during torque
proving or during continuous
brake load-hold.
• Pulses received from encoder during torque
proving.
• Closed-loop Hoist Mode operation, brake is
on with no Run command and encoder pulses
are received.
*Brake Resistor
Overload
OLR
Excessive current at the
Dynamic Braking Resistor.
• Deceleration time is too short.
• DBR configuration improperly set.
Brake Seized
BRS
No encoder pulses received
after brake release with active
Run command.
• Closed-loop Hoist Mode operation, encoder
pulses less than the
F993
setting received
after brake release with an active Run
command.
Comm1 Error
CM1
Internal communications
error.
• DeviceNet/Profibus/CC-Link Failure.
• Improperly programmed ASD.
• Improper communications settings.
• Improperly connected cables.
* Reset ignored if active.
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