10 – 20 HEIDENHAIN Technical Manual TNC 426, TNC 430
E120 Safe function call
error
n Internal software error. n Inform your service agency.
• Check software version.
280 476-01
E140 Current to axis
<axis> not equal 0
n Motor current was
determined during
cutout channel test (24-
hour test).
n Inform your service agency.
• Check the inverter.
280 476-01
E150 Inverter <axes>
ready
n RDY status of the
inverter is HIGH instead
of LOW.
n Inform your service agency.
• Check the inverter.
• Check the cabling of the
cutout channels.
280 476-01
E160 Inverter <axis>
not ready
n RDY status of the
inverter is LOW instead
of HIGH.
n Inform your service agency.
• Check the inverter.
• Check the cabling of the
cutout channels.
280 476-01
E130 Position error too
large <axis>
n MP650 too small.
n Incorrect mounting of
position encoder.
n Incorrect temperature
compensation, linear or
nonlinear compensation,
or reversal error.
n Inform your service agency.
• Correct MP640.
• Check the encoder
mounting.
• Check the compensation.
280 476-01
Error message Cause Corrective action As of
NC SW
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