HEIDENHAIN iTNC 530 HSCI - Page 30

February 2012 4 – 31
8B00 <axis>
motor encoder
defective
 No encoder signal available
 Interruption in motor encoder cable
 Signal amplitude of motor encoder is missing or
too small.
 Check connection of motor encoder.
 Check the motor encoder.
 Check the amplitude of the encoder signal.
 See ”Speed encoders” on page 19 – 300.  See ”Speed encoders” on page 19 – 300.
8B00 Zn track
%.2s error
 Contamination of the motor encoder (Zn track)
 Motor encoder cable defective.
 Motor control board defective
 Exchange the motor.
 Check the motor table entry.
 Exchange the motor drive-control board.
 See ”Speed encoders” on page 19 – 300.  See ”Speed encoders” on page 19 – 300.
8B10 Wrong
traverse direction
<axis>
 DIR entry in motor table is incorrect.
 Incorrect motor power connection.
 Check the DIR entry in the motor table.
 Check the motor power connection.
 See Service Manual Inverter Systems and
Motors.
8B20 Error <axis>
field orientation
 Field orientation impossible for mechanical
reasons.
 Incorrect relation between electrical field and
mechanical motor motion.
 Incorrect motor encoder signal.
 Incorrect motor connection.
 Mechanical brakes not released.
 Check the machine parameters for number of
signal periods and distance for the number of
signal periods.
 Check the machine parameter for the linear
distance of one motor revolution.
 For linear motors: Check column STR of the
motor table.
 Check the speed encoder connection.
 Check the motor connection.
 Release brakes during orientation.
 See ”Speed encoders” on page 19 – 300.  See ”Sequence for finding errors in the control
loop” on page 6 – 58.
 See ”Speed encoders” on page 19 – 300.
 See Service Manual Inverter Systems and
Motors.
8B30 Motor
temperature %.2s
too high
 Measured motor temperature is too high
 No temperature sensor
 Mo
tor encoder cable is defective (wire broken)
 Entry in motor table
is incorrect.
 Incorrect or defective temperature sensor was
installed.
 Let the motor cool down.
 Check the motor table entry.
 Check the entry in the motor table.
 Measure the temperature sensor (576 [ohms]
at 20 [°C], 1000 [ohms] at 100 [°C]).
 See ”Speed encoders” on page 19 – 300.
 See Service Manual Inverter Systems and
Motors.
 See ”Speed encoders” on page 19 – 300.
 See Service Manual Inverter Systems and
Motors.
Error message Possible cause of error Measures for error diagnosis and/or
corrective action
Additional information and descriptions
in the manual
Additional information and descriptions
in the manual