________________________________________________________________________________
94
AST 14 C 255/00
Boiler shut-down, picture
flashes:
External probe is not
working (
error signalling
occurs only when a
heating request is active
)
Disconnected or faulty
probe
Reconnect or replace it
Boiler shut-down, picture
flashes:
Solar collector probe
SCS fault
(connected to
boiler board)
Disconnected or faulty
probe
Reconnect or replace it
Probe detects a value lying
outside the admissible
range
Make sure the probe is
of PT1000 type
Boiler shut-down, picture
flashes:
Solar valve probe SVS
fault
(connected to the
supplementary solar card)
Disconnected or faulty
probe
Reconnect or replace it
Probe detects a value lying
outside the admissible
range
Make sure the probe is
of PT1000 type
Boiler shut-down, picture
flashes:
Solar water heating
probe SBS fault
(connected to the boiler
board)
Disconnected or faulty
probe
Reconnect or replace it
Probe detects a value lying
outside the admissible
range
Make sure the probe is
of PT1000 type
Boiler shut-down, on
remote control picture
flashes:
The boiler does not
communicate with the
Remote Control
The connection with the
Remote Control is
interrupted.
Check the Remote
Control connections
(wiring longer than 5
meters must be
shielded)
Remote control is faulty
Replace the Remote
Control
Boiler shut-down, picture
flashes:
Safety thermostat
triggering in mixed
zone 2
Faulty or disconnected
safety thermostat
Replace it or reconnect
cables
Too high flow temperature
Check boiler settings
or mixing valve correct
operation
Boiler shut-down, picture
flashes:
Flow probe fault in
mixed zone
(with indication of the
zone number)
Disconnected or faulty
probe
Reconnect or replace it
Probe detects a value lying
outside the admissible
range
Make sure the probe is
of NTC type
