Appendix C. Troubleshooting
Guide
Doc.#6000-0015 Rev: A
Page 55
LED Operation
The CN1100 Node has two LEDs, Status and Data, which can be used for
troubleshooting. The four Status LED pulse sequences for normal
operation are shown in Figure C1. The Status LED can be in any one of
four modes where it is emitting one to four pulses, respectively.
3 Pulse:
BT Link Acquired
1 Pulse:
Run Mode
2 Pulse:
Data Acquire
4 Pulse:
BT Connected & Data Acquire
Init
1 sec
¼ sec
Figure C1. Status LED Pulse Sequences
The Data LED pulses whenever data is being transferred to or from the
Node.
Low Battery Indication
Both LEDs will pulse together once every five seconds (approximately) to
indicate low DC input voltage to the Node.
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