RESOLVED: IQ4 345MHz with Honeywell 5816/958 Garage Door Sensor Issue

I enrolled 2 Honeywell 958 garage via Honeywell 5816s as door sensors to my IQ4 345MHz. However they are no longer signalling and are showing open, when closed.

I set them to loop 1.

They were working fine with the ADT system previously.

What diagnostic steps should I take?

I resolved the problem, by deleting both sensors and then adding them afresh.

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