Failed To Communicate would indicate the System attempted to send a signal to the Central Monitoring Service but did not receive the Acknowledgement of the signal from the Central Station Receiver. The message will continue to display until a successful Acknowledgement is received. Is the C1M1 powered off at this time? It is currently showing “Outdated” meaning it hasn’t communicated to the ElkLink Server. With the C1M1 powered up “Carefully” remove the front cover and locate the tamper switch in the center of the circuit board. Press the tamper switch 12 times then replace the front cover . Your C1M1 is running .17 firmware and .19 is available.