Ferroli DIADEMA Manual De Instalación, Uso Y Mantenimiento página 54

Signalling
-In the work stage the stove
AL 8
detects a pressure below the
NO NEG
vacuum switch setting
threshold.
PRESS
-The system is stopped.
AL 9
-Appears when the
INSUFF
combustion air flow is below a
certain threshold.
DRAUGHT
-Occurs when the gearmotor
AL b
works continuously and for
AUG TRIAC
more than 60 sec.
ERROR
-The system is stopped.
-Occurs on relighting the stove
WAITING
immediately after having shut
COOL
it down.
AIR FLOW
-Occurs when the air flow
METER
meter is disconnected.
FAILURE
-Occurs when the stove has
SERVICE
exceeded 1800 hours of
operation since the previous
DUE
servicing.
Fault
-The combustion chamber is
dirty.
-The fume duct is obstructed.
-The fire door is not closed.
-The overpressure valves are
open-stuck.
-Faulty vacuum switch.
-The combustion chamber is
dirty.
-The fume duct is obstructed.
-The fire door is not closed.
-The overpressure valves are
open-stuck.
-Faulty air flow meter.
-The controller detects a faulty
gearmotor
(contacts stuck).
-Reset attempt in shutdown
stage with stove hot in cooling
stage.
-The controller does not detect
the quantity of combustion air
and does not shut down the
stove; it only excludes the air
flow meter functions.
-Extraordinary
notice.
Possible causes
control relay
maintenance
54
Cures
-Check cleanness of the fume
duct and combustion
chamber.
-Check hermetic closing of the
door.
-Check closing of the
overpressure valves.
-Other reinstatement
operations must be carried out
by a service centre.
-Check cleanness of the fume
duct and combustion
chamber.
-Check hermetic closing of the
door.
-Check closing of
overpressure valves.
-Other reinstatement
operations must be carried out
by a service centre.
-Reinstatement operations
must be carried out by a
service centre.
-Alarm reset is possible only
after shutdown.
-Reinstatement operations
must be carried out by a
service centre.
- Cleaning - extraordinary
maintenance and
reinstatement operations must
be carried out by a authorised
service centre.
DIADEMA
the