ABB ACQ80, Firmware Manual

Page: 333 / 390

Fault tracing 333
6885 Text file overflow Internal fault. Reset the fault. Contact your local
ABB representative if the fault
persists.
7081 Control panel loss
Programmable fault:
49.05 Communication
loss action
Control panel or PC tool
selected as active control
location for drive has
ceased communicating.
Check PC tool or control panel
connection.
Check control panel connector.
Disconnect and reconnect the
control panel.
7082 I/O module comm
loss
Communication between
IO module and drive is
not working properly. Check installation of IO module.
7085 Incompatible
option module
Fieldbus option module
not supported.
Replace the module with a
supported type.
7086 I/O module AI
overvoltage
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.
Check AI signal levels.
7100 Excitation current Excitation current
feedback low or
missing
Contact your local ABB
representative.
7121 Motor stall
Programmable fault:
31.24 Stall function
Motor is operating in
stall region because of
e.g. excessive load or
insufficient motor
power.
Check motor load and drive
ratings.
Check fault function parameters.
7122 Motor overload Motor current is too high. Check for overloaded motor
Adjust the parameters used for
the motor overload function.
(
35.51
…
35.53
,
35.55
,
35.56
)
7181 Brake resistor Brake resistor broken or
not connected. Check that a brake resistor has
been connected.
Check the condition of the brake
resistor. Check the dimensioning
of the brake resistor.
Code
(hex)
Fault / Aux. code
(
aux code visible only on
assistant control panel
and drive composer)
Cause What to do