3.10.6 Alarm messages
The controller comprises a comprehensive alarm logic which displays the fault type
by means of the corresponding error code.
i
FLOW
ERROR 12-0
HEAT GENER.
ERROR 30-2
BUS
ERROR 70-1
Example for sensor alarm messag-
es (short circuit or interruption)
Error code 10-20 and index 0 or 1
Example for heat generator alarm
messages (switching status)
Error code 30-40 and index 2-5
Example for logical alarm messag-
es (control functions)
Error code 50-60 and index 2-9
Example for data bus alarm mes-
sag es (address errors on data bus)
Error code 70 and index 0 or 1
DHW
ERROR 50-2
37
4 208 844 / 02
Heating system control