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CD1-k – User Guide
Chapter 5 – Troubleshooting & maintenance
Note
: In the Sin/Cos encoder without HES configuration, the motor Phasing procedure must be executed again
after a Counting fault release.
1.3.9 - "HES" ERROR
For the Incremental encoder & HES configuration:
Check that the HES are correctly wired on the amplifier X3 connector (with 60° type HES you must check the
various wiring combinations to find the right wiring order).
Check for the correct HES supply voltage value.
Check for the correct Motor encoder resolution parameter value.
Check that the HES-amplifier-motor ground connections and shield answer the requirements of chapter 4 of
the CD1-k Installation Guide.
For the Absolute single-turn Sin/Cos encoder configuration:
Check that the Sin/Cos encoder commutation channels are correctly wired on the amplifier X3 connector.
Check for the correct Sin/Cos encoder supply voltage value.
Check for the correct Sin/Cos encoder C channel and D channel signal amplitude value.
Check that the Motor encoder resolution parameter value is correct.
Check that the encoder-amplifier-motor ground connections and shield answer the requirements of chapter 4
of the CD1-k Installation Guide.
1.3.10 - "POSITION FOLLOWING" ERROR
If the error occurs during the axis motion:
• Check the position loop adjustment.
• Check the coherence of the Static threshold parameter with regard to the motion cycle.
1.3.11 - "LOW SPEED" ERROR
• Check that the Low speed parameter is coherent with regard to the axis motion speed.
• Check the wiring of the "Low speed" input.
1.3.12 - "CURRENT OFFSET" ERROR
If the "Current offset" error occurs at power on, this means that the offset compensation procedure has failed and
the amplifier is not ready for operation. This error cannot be cancelled.
1.3.13 - "INIT 400V" ERROR
If the "INIT 400V" error occurs on a CD1-k 400/I amplifier, at power on:
• Check that the amplifier powering has been correctly made.
This error cannot be cancelled.
1.3.14 - "I
2
T" ERROR
• Check the rated current value required from the amplifier with regard to the current table in pulse cycle.
• Check the amplifier rated current value defined in the Rated current parameter with regard to the current
required for the operation cycle.
When the encoder counting protection has been disabled, the amplifier is only checking that the
encoder pulses frequency is lower than 1.5 times the maximum encoder frequency. The maximum
encoder frequency is calculated into the amplifier according to the Motor encoder resolution
parameter value and the Maximum speed parameter value. In this case, encoder pulse noise at a
frequency lower than 1.5 times the maximum encoder frequency may involve uncontrolled motor
movements that may be dangerous for operator and machine.
!
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