If the LED pin is configured.
- Short, fast blinks (one per second) – the router is connecting to a network.
- Short, long blinks (one per 4 seconds) – normal operations.
- Three short blinks – the router cannot send a report to a coordinator.
Flash firmware and permit joining to a network on your coordinator.
Power on, wait 2 seconds, power off, repeat this cycle three times.
If you configured the first input pin, click and hold it for 10 seconds.