HEIDENHAIN iTNC 530 Technical Manual page 601

Error message
8B70 External drive lock
<axis>
8B80 External drive stop
<axis>
8B90 No field
orientation <axis>
8BA0 Incorrect line
count <axis>
8BC0 Motor current
<axis> too high
10 – 8
Cause
n
The drive switch-on is
blocked by one or more
external signals:
• EMERGENCY STOP
(TNC 4xx P and M)
• PFAIL (TNC 4xx P
and M)
• NO (TNC 4xx P)
n
The drive is switched off
through an external
signal:
• EMERGENCY STOP
(TNC 4xx P and M)
• PFAIL (TNC 4xx P
and M)
• NO (TNC 4xx P)
n
No field orientation was
performed.
n
Serial number has
changed.
n
Field orientation was not
possible.
n
Incorrect entry in motor
table.
n
Faulty reference signal.
n
Noise pulses.
n
Encoder cable is
defective.
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.
Corrective action
n
Check the external enabling
signals.
n
Check the PLC program.
n
Check the external wiring.
n
Inform your service agency.
n
Check the external enabling
signals.
n
Check the PLC program.
n
Check the external wiring.
n
Inform your service agency.
n
Run a field orientation.
n
Inform your service agency.
n
Inform your service agency.
• Check the entry in the
motor table.
• Check the motor encoder
cable.
• Exchange the motor
encoder cable.
• Exchange the motor.
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.
HEIDENHAIN Technical Manual iTNC 530
As of NC
SW
340 420-01
340 420-01
340 420-01
340 420-01
340 420-01