"Sticky" sensors confuse economizer process control logic
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climategadgets commented
Expected Behavior
Sensor abstractions emit sensor data if available, error signal if not, on a defined rate.
Actual Behavior
Under undetermined circumstances, a sensor signal processing pipeline keeps emitting a stale reading as current, causing control logic to issue improper actuator signals. Meanwhile, sensors are working as expected, they are not the root cause.
Manifestation
Root Cause Analysis
At this point, it appears that the culprit is a flaky Z-Wave device - Minoston MP31ZP.
Workaround
For now see if using the optimistic flag in the configuration fixes the problem, however, hardware replacement is recommended. See Hardware Support for suitable replacements.
Related Issues
climategadgets commented
Root cause identified, device replaced, continuing operation normally. Follow up and corrective action in #292.