ABB ACQ80-04 Firmware Manual page 215

Fault / Aux. code
Code
code visible only on
(hex)
assistant control panel
and drive composer)
6684 EFB load fault
6685 EFB fault 2
6686 EFB fault 3
6882 Text 32-bit table
overflow
6885 Text file overflow
7081 Control panel loss
Programmable fault:
Communication loss
action
7082 I/O module comm loss Communication between IO
7085 Incompatible option
module
7086 I/O module AI
overvoltage
7100 Excitation current
7121 Motor stall
Programmable fault:
Stall function
7122 Motor overload
7181 Brake resistor
(aux
Cause
Embedded fieldbus (EFB)
protocol firmware could not be
loaded.
Version mismatch between
EFB protocol firmware and
drive firmware.
Fault reserved for the EFB
protocol application.
Fault reserved for the EFB
protocol application.
Internal fault.
Internal fault.
Control panel or PC tool
selected as active control
49.05
location for drive has ceased
communicating.
module and drive is not
working properly.
Fieldbus option module not
supported.
Overvoltage detected in AI. AI
is changed to voltage mode
from mA mode. AI will return
automatically back to mA
mode when the AI signal level
is within acceptable limits.
Excitation current feedback
low or missing
Motor is operating in stall
region because of e.g.
31.24
excessive load or insufficient
motor power.
Motor current is too high.
Brake resistor broken or not
connected.
Fault tracing 215
What to do
Contact your local ABB representative.
Check the documentation of the protocol.
Check the documentation of the protocol.
Reset the fault. Contact your local ABB
representative if the fault persists.
Reset the fault. Contact your local ABB
representative if the fault persists.
Check PC tool or control panel
connection.
Check control panel connector.
Disconnect and reconnect the control
panel.
Check installation of IO module.
Replace the module with a supported
type.
Check AI signal levels.
Contact your local ABB representative.
Check motor load and drive ratings.
Check fault function parameters.
Check for overloaded motor
Adjust the parameters used for the motor
overload function. (35.51...35.53,
35.55,35.56)
Check that a brake resistor has been
connected.
Check the condition of the brake resistor.
Check the dimensioning of the brake
resistor.