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critical Worcester
Error Code A24
Remote RF Unit in system has a fault - other room thermostats must be checked for faults as well.
? What Causes This
Faults within the remote RF units linked to other rooms' heating controls suggest there may be malfunctioning devices in these systems.
✓ How to Fix It
Check and repair or replace any faulty components identified among associated thermostats, ensuring that all communicate properly with EMS bus.
Source: page 19 of the official manual
From the manual
This error code appears in:
Worcester Greenstar Comfort II RF