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18
AST 14 C 255/00
Ambient probe
1
(a) fault
Ambient probe
2
(a) fault
Pressure transducer fault (a)
Communication error between main board and interface board
Shut-down due to safety circuit hardware fault
Air pressure switch recognition failure
Incompatibility between boiler board and interface board
Modulation coil fault (a)
Max. number of reset attempts from interface reached
(r)
Max. number of reset attempts reached (
signalled both by remote
control and interface
)
(r)
NB: The board is able to count and store the boiler's latest five faults (both resettable and self-
resettable). View them by scrolling super-technical parameters from P01 to P05.