38
ALL 10
Plant Probe
OR
AUX Probe temperature
sensor faulty
Boiler does not work, ALL
10 error code flashing on
the screen
> Plant probe OR AUX
Probe temperature sensor
faulty
> Plant Probe OR AUX
sensor is open or short
circuit
1-) Reset & Restart boiler
2-) Call for authorised service at first
ALL 13
Exhaust temperature probe
over-temperature alarm
Boiler does not work, ALL
13 error code flashing on
the screen
> Over temperature flue
gas outlet value > P80
value C°
1-) Reset & Restart boiler
2-) Call for authorised service at first
ALL 14
Exhaust ( FLUE )
temperature probe fault
Boiler does not work, ALL
14 error code flashing on
the screen
> Central heating FLUE
temperature sensor faulty
> Probe is open or short
circuited
1-) Reset & Restart boiler
2-) Call for authorised service at first
ALL 15
Fan failure (feedback/
supply)
Boiler does not work, ALL
15 error code flashing on
the screen
> Fan harness
1-) Reset & Restart boiler
2-) Call for authorised service at first
ALL 19
Fault failure external probe
This error is activated when
the external probe is short-
circuited
The
symbol is shown
flashing on the display
> external probe is short-
circuited
1-) Reset & Restart boiler
2-) Call for authorised service at first
ALL 30
Return probe temperature
sensor faulty
Boiler does not work, ALL
30 error code flashing on
the screen
> Return Probe
temperature sensor faulty
> Return sensor is open or
short circuit
1-) Reset & Restart boiler
2-) Call for authorised service at first
ALL 31
Cascade Delivery Sensor
Alarm
Usable RESET number
reached.
Too many consecutive lock-
out failures (followed by
reset) due to other possible
causes
1-) Reset & Restart boiler
2-) If fault still persists call for authorised service
ALL 35
Communication Error
Between UI 30 board and
UI 30 Board
( between two cascade
module)
Boiler does not work, ALL
35 error code flashing on
the screen
When PAR 15 is different
from" - - " and there isn't
communication between UI
30 board and UI 30 board
the boiler stop and the
display shows ALL 35.
1-) Reset & Restart boiler
2-) If fault still persists call for authorised service
ALL 36
Cascade Adress Error
Boiler does not work, ALL
36 error code flashing on
the screen
When PAR 15 is adressed
for two or more boilers as
SAME ADRESSED then
boilers stop and the display
shows ALL 36.
1-) Reset & Restart boiler
2-) If fault still persists call for authorised service
ALL 40
HEX heatexchanger
protection temperature
probe fault
Boiler does not work, ALL
40 error code flashing on
the screen
> HEX temperature sensor
faulty
> Probe is open or short
circuited
1-) Reset & Restart boiler
2-) If fault still persists call for authorised service
ALL 41
HEX heat exchanger
temperature probe over-
temperature alarm
Boiler does not work, ALL
41 error code flashing on
the screen
Temp > Par 88 value
> Lack of water on the
system
> Pump blockage
> Pump failiure
> Pump harness
> Installation blockage
1-) RESET boiler at first check if problem removed
2-) Check boiler central heating valves are open if
they are closed open of all
3-) Check all radiator valves are open if they are
closed open of make sure enaugh cooling into the
system
4-) RESET boiler and check if fault still persists call
for authorised service
5-) Call for authorised service at first
