Possible Faults And Solutions - Sime Brava Slim HE 25 T Manual De Instalación Y Mantenimiento

To enter "Parameter setting and display"refer to the indica-
tions provided in the specific section.
Once the parameters in the table have been set, you must car-
ry out the entire phase of "Commissioning" described in the
specific section.
4.6

Possible faults and solutions

LIST OF MALFUNCTION/FAULT ALARMS
Type No. Fault
Low water pressure in
ALL 02
system
Domestic hot water
ALL 04
sensor fault
ALL 05 Delivery sensor fault
ALL 06 No flame detection
Sensor or safety ther-
ALL 07
mostat intervenes
Fault in the flame detec-
ALL 08
tion circuit
No water circulating in
ALL 09
the system
Gas valve modulator
ALL 11
disconnected
Incorrect configuration
ALL 12 of the open /sealed
chamber
Fan check cable discon-
ALL 15
nected
Fault regarding maxi-
mum deviation between
ALL 17
the 2 NTC heating
sensors
Maximum number of
ALL 28 consecutive releases
reached
Fault due to low network
ALL 37
voltage.
Incorrect network fre-
ALL 40
quency detected
84
Solution
- Restore pressure
- Check for any leaks in
the system
- Check connections
- Replace the sensor
- Check connections
- Replace the sensor
- 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
- Check the sensor or
thermostat connec-
tions
- Deaerate the system
- Check the bleed valve
- Replace the sensor or
the thermostat
- Check that the pump
impeller is not blocked
- 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
- Check the rotation
of the system pump
impeller
- Check the electrical
connections
- Replace the pump
- Check the electrical
connection
- Set the parameter
tS 0.4 (Combustion
configuration) to 0
- Check the connection
cable between the fan
and the board
- Replace the dual
sensor
- Contact the Technical
Assistance Centre
- Check with tester
- Contact network pro-
vider (ENEL)
- Contact network pro-
vider (ENEL)
Type No. Fault
Flame loss more than 6
ALL 41
consecutive times
ALL 42 Button fault
Fault in the 2nd element
ALL 74
of the delivery sensor
Block due to combustion
ALL 81
during start-up
Irregular combustion
ALL 83
(temporary error)
Block due to clogging in
ALL 96
smoke outlet
Frequent relief valve
- -
intervention
Limited production of
- -
domestic hot water
EN
Solution
- Check the detection
electrode
- Check the gas supply
(open valve)
- Check mains gas
pressure
- Check that buttons are
working
- Replace the sensor
- Check for blockage in
chimney
- Bleed the air from the
gas circuit
- Check for blockage in
chimney
- Check for blockage in
chimney
- Check circuit pressure
- Check expansion
vessel
- Check the diverter
valve
- Check that plate heat
exchanger is clean
- Check domestic hot
water circuit valve