HEIDENHAIN iTNC 530 Service Manual page 35

Error message Possible cause of error
Additional information and descriptions in
the manual
8B40 No drive Inverter is not ready for operation.
enabling %.2s
No pulse release for the power module.
Uz too high
Power-fail signal is active.
With M controls: I32 input inactive
With P controls: Drive release at X50
inactive
In addition, for 246 261-xx (digital current
controller):
For the given axis an illegal motor model
(e.g. linear motor) was selected.
The CC receives a "Drive on" command for a
nonexistent axis.
The power module is not ready when the
field orientation starts.
Readiness of the power module is detected
through the Ready signal on the PWM cable.
The power module is not ready when the
current controller adjustment begins.
Motor control board defective
PWM cable defective
Noise pulses
8B50 Axis module No pulse release for the power module
%.2s not ready
Uz too high
5-V power supply too weak
Inverter not ready for operation
Motor control board defective
PWM cable defective
Noise pulses
July 2010
Measures for error diagnosis and/or
corrective action
Additional information and descriptions in
the manual
Check the activation and wiring of the pulse
release.
Check Uz.
Check the emergency stop circuit.
For a non-regenerative system: Is the
braking resistor connected?
For a regenerative system: Is the energy
recovery activated?
Check the grounding and shielding of the
cable.
Exchange the power module.
For SIEMENS power converter (inverter):
Exchange the interface card.
Exchange drive control board.
Check the control and cabling of the pulse
release.
See "Checking the Enables on the iTNC
530" on page 16 – 229.
See Service Manual Inverter Systems and
Motors.
Check the control and cabling of the pulse
release.
Check Uz.
If the power supply is not regenerative: Is
the braking resistor connected?
If the power supply is regenerative: Is the
energy recovery activated?
Check the grounding and shielding of the
cable.
Exchange the power module.
For P controls: Exchange the interface card.
Exchange the motor drive control board.
See "Checking the Enables on the iTNC
530" on page 16 – 229.
See Service Manual Inverter Systems and
Motors.
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