Delta ASDA-A3 Series User Manual page 541

Troubleshooting
How to clear the
alarm?
11
AL180 CANopen heartbeat or NodeGuarding error
Trigger condition
and causes
Checking methods
and corrective
actions
How to clear the
alarm?
AL185 CAN Bus hardware error
Trigger condition
and causes
Checking methods
and corrective
actions
How to clear the
alarm?
AL186 CAN Bus Off
Trigger condition
and causes
Checking methods
and corrective
actions
How to clear the
alarm?
11-36
NMT: reset node or 0x6040 (fault reset).
CANopen communication is cut off resulting in Heartbeat or NodeGuarding
error.
1. Check if the CANopen communication is normal.
2. Check if the wiring is correctly connected.
NMT: reset node or 0x6040 (fault reset).
Condition: CAN Bus is cut off or Rx/Tx Counter error occurs more than 128
times.
Cause: CAN Bus hardware error.
1. Check if the communication cable for CAN Bus is connected.
2. Check the communication quality; it is suggested that you use common
grounding and shielded cable.
NMT: reset node or 0x6040 (fault reset).
Transmission error in CAN data.
1. Check if the cable is well connected and whether there is any noise
inference. Replace the communication cable or eliminate the noise if
necessary.
2. There are an excessive number of the slave stations, and the
communication cycle is too short. Please lengthen the communication
cycle.
NMT: reset node or 0x6040 (fault reset).
ASDA-A3
Revision December, 2017