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
Off
No error.
Warning limit
reached
Single flash
CAN error counter has reached/
exceeded warning level.
Error control
event
Double flash Node guard event has occurred.
Sync error
Triple flash
Sync message has not been
received within configured timeout
(object 0x1006).
Bus Off
On
Device in bus off-state.
Table 8.5 LED: Module Status (MS)
State
Green LED
Status
Stopped
Single flash
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
MG92G102
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