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Troubleshooting

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ASDA-A3

14

AL132 Parameter is write-protected

Trigger condition When data is written to the parameter using bus communication, the parameter is

and cause

currently write-protected.

Checking method

and corrective action

Refer to the corresponding parameter description to write data to the parameter.

How to clear the

alarm?

NMT: reset node, OD 6040h [Bit 7] (Fault reset), or DI.ARST.

AL170 Bus communication timeout

Trigger condition The servo drive does not receive any PDO data within the set communication

and cause

cycle time.

Checking method 1. Check if the communication is normal.

and corrective action 2. Check if the wiring is correctly connected.

How to clear the

alarm?

NMT: reset node, OD 6040h [Bit 7] (Fault reset), or DI.ARST.

AL180 Bus communication timeout

Trigger condition The servo drive does not receive any PDO data within the set communication

and cause

cycle time.

Checking method 1. Check if the communication is normal.

and corrective action 2. Check if the wiring is correctly connected.

How to clear the

alarm?

NMT: reset node, OD 6040h [Bit 7] (Fault reset), or DI.ARST.

AL185 Bus hardware error

Trigger condition

and cause

Condition: bus communication is cut off.

Cause: abnormal communication hardware.

1. Check if the communication cable is intact and firmly connected.

2. Check the communication quality. It is suggested that you use common

Checking method

and corrective action

grounding and shielded cable.

3. For communication type models, check if the value of monitoring variable 120

increases continuously.

How to clear the

alarm?

NMT: reset node, OD 6040h [Bit 7] (Fault reset), or DI.ARST.

AL186 Bus data transmission error

Trigger condition

and cause

Bus data transmission error.

1. Check if the communication cable is properly connected and whether there is

Checking method

and corrective action

any noise interference. Replace the communication cable or eliminate the

noise if necessary.

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