Danfoss VLT CANopen MCA 105 - Troubleshooting

8.2 Troubleshooting
8.2.1 Check 1: LED Status
The 2 bi-colour LEDs on the CANopen card indicate the
status of CANopen communication:
•
The lower LED (NS) indicates the net status.
•
The upper LED (MS) indicates the module status.
Illustration 8.1 LED Panel CANopen MCA 105
State Red LED Status
No error O No error.
Warning limit
reached
Single ash CAN error counter has reached/
exceeded warning level.
Error control
event
Double ash Node guard event has occurred.
Sync error Triple ash Sync message has not been
received within congured timeout
(object 0x1006).
Bus O On Device in bus o-state.
Table 8.5 LED: Module Status (MS)
State Green LED Status
Stopped Single ash Device in stopped state.
Pre-operational Flashing Device in pre-operational state.
Operational On Device in operational state.
Table 8.6 LED: Network Status (NS)
Troubleshooting Programming Guide
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