● Priority order is #1…7
● External faults #4…6: If faults are active, the display shows AL1, AL2, AL3,
alternating. Only the fault with the highest priority is sent over the bus.
A supervisor alarm system may command the thermostat to stop sending faults to
the bus via the communication object "Fault transmission" (disable/enable).
This has no impact on the local display of faults.
After a timeout of 48 hours, the sending of faults is automatically enabled again.
4.13 Communication objects
4.13.1 Overview
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