Sime Brava One 30 BF - Malfunction Codes and Possible Solutions; Maintenance Request

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EN
8.6 Malfunction codes and possible solutions
LIST OF MALFUNCTION/FAULT ALARMS
Type No. Fault Solution
AL 02
Low water pressure
in system
- Restore pressure
- Check for any leaks in the
system
AL 04
Domestic hot water
sensor fault (return
sensor fault for T
models)
- Check connections
- Check the sensor is working
AL 05
Delivery sensor
fault
- Check connections
- Check the sensor is working
AL 06 No flame detection
- Check the integrity of the
electrode and check that it is
not grounded
- Check gas availability and
pressure
- Check the integrity of the gas
valve and the card
AL 07
Sensor or safety
thermostat
intervenes
- Check the sensor or
thermostat connections
- Deaerate the system
- Check the bleed valve
- Replace the sensor or the
thermostat
- Check that the pump
impeller is not blocked
AL 08
Fault in the flame
detection circuit
- Check the integrity of the
electrode and check that it is
not grounded
- Check the integrity of the gas
valve and the card
AL 09
No water
circulating in the
system
- Check the rotation of the
pump rotor
- Check the electrical
connections
- Replace the pump
AL 11
Gas valve modulator
disconnected
- Check the electrical
connection
AL 12
Domestic hot water
sensor fault in tank
mode
- Set the parameter tS 0.4
(Combustion configuration)
to 0
AL 17
Fault regarding
maximum deviation
between the 2 NTC
heating sensors
- Replace the dual sensor
AL 28
Maximum number
of consecutive
resets reached
- Wait 1 hour and try
unblocking the board again
- Contact the Technical
Assistance Centre
AL 37
Fault due to low
network voltage.
- Check the voltage
- Contact your network
provider
AL 40
Incorrect network
frequency detected
- Contact your network
provider
AL 41
Flame loss more
than 6 consecutive
times
- Check the ignition/detection
electrode
- Check the gas supply (open
valve)
- Check mains gas pressure
AL 42 Button fault
- Check that buttons are
working
AL 43
Open Therm
communication
fault
- Check the OT electric
connection
AL 44
Gas valve timeout
fault without flame
- Check gas valve and board
AL 62
Self-calibrating
procedure is
required
- Carry out the self-calibrating
procedure (see the specific
section)
Type No. Fault Solution
AL 72
Incorrect
positioning of the
delivery sensor
- Check delivery sensor
operation and position
AL 74
Second delivery
sensor fault
- Check second delivery
sensor operation and
position
AL 80
Fault on the valve
control logic
line/valve cable
damaged
- Check gas valve and board
AL 81
Block due
combustion during
start-up
- Check for blockage in
chimney
- Check air diaphragm (for BF
models)
- Check gas calibration
- Bleed the air from the gas
circuit
AL 83
Irregular
combustion
(temporary error)
- Check for blockage in
chimney
- Check air diaphragm (for BF
models)
- Check gas calibration
AL 88
Internal error
(board component
protection)
- Check the board is working
- Replace the board
AL 96
Block due to
clogging in smoke
outlet
- Check for blockage in
chimney
- Check the smoke outlet
and electrode position (not
touching the burner)
- -
Frequent relief
valve intervention
- Check circuit pressure
- Check expansion vessel
- -
Limited production
of domestic hot
water
- Check the diverter valve
- Check that plate heat
exchanger is clean
- Check domestic hot water
circuit valve
8.6.1 Maintenance request
When it is time to perform maintenance on the boiler, “SE”
shows on the display.
Contact the technical assistance service to organise the
necessary work.