10 – 8 HEIDENHAIN Technical Manual TNC 426, TNC 430
10.1.3 DSP Error Messages with Text
Error message Cause of error, corrective action
Power module in axis <axis>
too weak
Power module for the displayed axis is too weak.
<axis> motor enc. line count
too high
Line count of the motor encoder for the displayed axis too high.
Motor <axis>: Xh; X2; f-n; R2
incorrect
One datum is incorrect in the following motor data for the displayed
axis: Xh (magnetizing reactance), X2 (rotor leakage reactance), f-n
(rated frequency), R2 (Rotor resistance cold)
Motor <axis>: n-n; f-n
incorrect
One datum is incorrect in the following motor data for the displayed
axis: n-n (rated speed), f-n (rated frequency)
Power stage<axis>:
U-Imax incorrect
Voltage of the current sensor (U-Imax) of the power module for the
displayed axis is incorrect.
Power stage<axis>:
I-max incorrect
Peak current (I-max) of the power module for the displayed axis is
incorrect.
Motor <axis>: t-max incorrect Max. temperature of the motor for the displayed axis is incorrect.
Motor <axis>: I-n incorrect Rated current of the motor for the displayed axis is incorrect.
Motor <axis>: I-max incorrect Peak current of the motor for the displayed axis is incorrect.
Motor <axis>: n-max incorrect Max. speed of the motor for the displayed axis is incorrect.
Axis <axis>: MP2340/MP2350
incorrect
MP2340/MP2350 (field-angle offset) for the displayed axis is
incorrect.
Axis <axis>: MP2190
incorrect
MP2190 (dc-link voltage) for the displayed axis is incorrect.
Axis <axis>: MP120/MP121
incorrect
MP120/MP121 (Assignment of the speed command signal outputs)
for the displayed axis is incorrect.
Axis <axis>: MP2540/MP2550
incorrect
MP2540/MP2550 (damping of band-rejection filter) for the displayed
axis is incorrect.
Motor encoder <axis>
zn ampl. too small
Zn amplitude of the motor encoder for the displayed axis is too low.
of motor encoder <axis>
zl ampl. too small
Z1 amplitude of the motor encoder for the displayed axis is too low.
Motor encoder <axis>
temperature too low
Temperature of the motor encoder for the displayed axis is too low.
<axis> motor encoder
defective
Motor encoder for the displayed axis is defective.
Motor <axis>: speed not equal
to Imax
The current speed of the motor does not match the expected speed
at Imax. Direction of rotation may be incorrect.
Motor encoder <axis>
frequency too high
The maximum permissible input frequency at the motor encoder was
exceeded.
Motor <axis>: is not turning The motor of the displayed axis is not rotating.
Power module <axis> not
ready
The readiness signal for the power module of the displayed axis was
switched off during operation.
Axis <axis>:
MP112/MP113 incorrect
MP112/MP113 (assignment of speed encoder inputs) for the
displayed axis is incorrect.