Chapter 4 Troubleshooting - 75 -CANopenStatus LED 1 State What It MeansDouble flash Error ControlEventA guard event (NMT-Slave or NMT-master)or a heartbeat event (heartbeat consumer)has occurred.Triple flash Sync ErrorThe SYNC message has not been receivedwithin the configured communication cycleperiod time out (see Object Dictionary Entry0x1006)2.On Bus Off The CAN controller is bus off.Off Off Reset The ACR9000 is executing a reset.1. LED Intervals:Flickering = on for ~50 ms and off for ~50 msBlinking = on for ~200 ms and off for ~200 msSingle flash = on for ~200 ms and off for ~1000 msDouble flash = sequence of 2 flashes ~200 ms, separated by an off phase ~1000 msTriple flash = sequence of 3 flashes ~200 ms, separated by an off phase ~1000 ms.2. Object 0x1006 contains the sync cycle period in ms. The sync cycle period time out is theconfigured sync cycle period multiplied by 1.5.Table 53 CANopen Status LEDEthernet Status LEDsThe Ethernet status LEDs are located on the Ethernet connector.LED Steady Flash DescriptionOff — No Ethernet link detectedYellow — Ethernet link established, no activityEthernetLink/Activity— Yellow Ethernet link established and activeOff — Ethernet 10MbpsEthernet SpeedGreen — Ethernet 100MbpsTable 54 Ethernet Status LED
