ENG - Manual of installation, use and maintenance.
210-0352_libretto_WHC_ATI_eng.docx
37
Jan-19
DISPLAYS
"Err." appears alternating with the message "F062
”. The
flashing fault symbol and the
flashing symbol of
fan failure are displayed.
DEVICES
Gas valve: Off.
Fan: If the demand is still active, the system tries to bring
the fan to the ignition speed in order to try a new burner
ignition.
FAULT F063
DESCRIPTION
Fan speed out of the expected range (final condition).
ACTIVATION / DEACTIVATION CONDITIONS
The anomaly occurs if the fan remains in the
situation described by the previous anomaly 06.62
(speed outside range for a prolonged time) for
more than 10 consecutive minutes.
The anomaly is deactivated when you bring the
card in OFF mode and then back to the ON mode,
or if you cut-off and restore electrical power to the
board.
DISPLAYS
"Err." appears alternating with the message "F063". The
flashing fault symbol and the
flashing symbol of
fan failure are displayed
DEVICES
Gas valve: Off.
Fan: Off.
Circulation pump: it performs a post-circulation cycle, if
foreseen, then it turns off.
FAULT F064
DESCRIPTION
Fan not working.
ACTIVATION / DEACTIVATION CONDITIONS
The anomaly occurs if the fan stops and does not
reach, within 20 seconds, the speed set-point set
by the system (within the range [set-point ± 1000
revolutions / minute]).
The anomaly is deactivated if the fan reaches the
speed set-point set by the system (within the
range [set-point ± 1000 rev / min]).
DISPLAYS
Err." appears alternating with the message "F064". The
flashing fault symbol and the
flashing symbol of
fan failure are displayed.
DEVICES
Gas valve: Off.
Fan: If the demand is still active, the system tries to bring
the fan to the ignition speed in order to try a new burner
ignition.
