67
CODE ALARM
DESCRIPTION
E-32
Underfloor temperature sensor open circuit,
Sr2
.
Underfloor temperature sensor is damaged or disconnected.
Contact your nearest official technical assistance service to
have it replaced.
E-33
Underfloor temperature sensor short-
circuited,
Sr2
.
E-34
Outdoor temperature sensor open circuit,
Sext
.
Outdoor temperature sensor is damaged or disconnected.
Contact your nearest official technical assistance service to
have it replaced.
E-35
Outdoor temperature sensor short-circuited,
Sext
.
E-36
DIP-switch wrongly changed.
DIP-switch selector of the boiler is changed when the boiler is
connected to the main supply. The boiler will be locked out
until unplug and plug the boiler again.
E-37
Communication error with
BIO Hydraulic Kit
(
not valid for
BioClass HC
)
.
Communication failure between boiler and the
BIO
Hydraulic Kit
.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-38
Lasting insufficient air depression during
ignition pre-purge step.
Check the air pressure sensor and that the burner and ashtray
are correctly fitted to the boiler.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-39
Insufficient fan speed.
Fan malfunction.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-40
Fan speed fall down.
E-41
Lasting fan speed fall down.
E-42
Communication error with
BIO Hydraulic Kit
(not valid for
BioClass HC
)
.
Communication failure between boiler and the
BIO
Hydraulic Kit
.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-43
Ashtray full.
Warning that the ashtray is full. The boiler will continue
operate normally. To restore warning, the ashtray must be
emptied and it is necessary to set the “Emptying ashes”
parameter to 0 of the “User menu” (See “Ashtray status”).
E-44
Boiler Maintenance.
Notice for maintenance of the boiler. Contact your nearest
official technical assistance service to perform periodic
maintenance of the boiler.
E-45
R
bt
. resistance open circuit
R
bt
. resistance is disconnected.
Contact your nearest official technical assistance service to
have it replaced.
E-46
R
bt
. resistance short-circuited