HEIDENHAIN TNC 426 PB - Page 1106

December 2001 DSP Error Messages as of NC Software 280 476-01 10 – 13
8BC0 Motor current
<axis> too high
n Incorrect current
controller parameters.
n Incorrect parameters in
the motor table.
n Power module
defective.
n Motor cable defective.
n Motor defective.
n Motor control board
defective.
n Inform your service agency.
• Are the correct motor and
power module selected?
• Check the current control
adjustment.
• Check the motor and motor
cable for a short circuit.
• Exchange the power module
or drive control board.
280 476-01
8BD0 Excessive
following error in <axis>
n The following error of a
moved axis is greater
than the value entered in
machine parameter
MP1720 (for following
error mode) or MP1420
(for feedforward mode).
n The acceleration entered
is too large.
n The motor is not moving
even though drive-on
was given.
n Reduce machining feedrate,
increase speed.
n Remove possible sources of
vibration.
n If this occurs frequently:
Inform your service agency.
n Inform your service agency.
• Check MP1060.x.
• The motor current must not
be limited during
acceleration.
280 476-09
A110 Safe speed SRG
exceeded <axis>
n The rotational speed
limit SBH was exceeded
while the protective door
was open and the key
switch was turned to
“automatic.”
n Inform your service agency. 280 476-01
AC00 Mot. enc. amp.
too high <axis>
n Noise on motor encoder
signal.
n Short circuit in motor
encoder cable.
n
Signal amplitude of motor
encoder is too high.
n Inform your service agency.
• Check connection of motor
encoder (ground connection).
• Check the motor encoder.
280 476-04
AC10 <Axis> amplitude
too small
n Interruption in motor
encoder cable.
n Motor encoder signal
amplitude missing.
n Inform your service agency.
• Check connection of motor
encoder.
• Check the motor encoder.
280 476-06
AC20 <Axis> frequency
too high
n Noise on motor encoder
signal.
n Inform your service agency.
• Check connection of motor
encoder (ground
connection).
• Check the motor encoder.
280 476-06
E130 Mot. enc. amp.
too high <axis>
n Noise on motor encoder
signal.
n Short circuit in motor
encoder cable.
n Motor encoder signal
amplitude too high.
n Inform your service agency.
• Check connection of motor
encoder (ground
connection).
• Check the motor encoder.
280 476-01
Error message Cause Corrective action As of
NC SW