EXCLUSIVE
Boiler faults list
ERROR
ERROR MESSAGE
CODE
E010
flame lockout/ACF electronic fault
E011
extraneous flame
E020
limit thermostat
E030
E040
water transducer – load the system
E041
water transducer - load the system
E042
water pressure transducer fault
E060
storage tank probe fault
fault flow sensor/overtemperature flow sensor/
E070
flow/return sensor differential alarm
E077
main zone water thermostat
fault return line probe/return line probe overtemperature/
E080
outlet/return line probe differential alarm
fault flue gases probe/
E090
flue gases overtemperature probe
E091
clean primary heat exchanger
--
water pressure low - check the system
--
water pressure high - check the system
--
boiler board communication lost
--
BUS 485 communication lost
List of combustion faults
ERROR
ERROR MESSAGE
CODE
E021
E022
E023
E024
E067
E088
E097
E085
incomplete combustion
E094
incomplete combustion
E095
incomplete combustion
E058
mains voltage fault
E065
current modulation alarm
E086
obstruction fumes alarm
Warning lights
BOILER STATUS
Power-on
Vent cycle
OFF status
No heat request (stby)
Transitional ignition/
overtemperature
Presence of flame
Chimney sweep
Screed heater
34
fan fault
iono alarm
iono alarm
iono alarm
iono alarm
iono alarm
iono alarm
iono alarm
RED LED
GREEN LED
flashing
flashing
0.5 sec. on/1 sec. off
0.5 sec. on/1 sec. off
flashing
0.3 sec. on/0.5 sec. off
flashing
0.3 sec. on/0.5 sec. off
flashing
0.3 sec. on/0.5 sec. off
ON
ON
flashing
flashing
1 sec.on/1 sec. off
1 sec.on/1 sec. off
RED LED
GREEN LED
ON
flashing
0.2 sec. on/0.2 off
flashing
0.5 sec. on/0.5 off
ON
flashing
0.5 sec. on/0.5 off
ON
ON
ON
flashing
0.5 sec. on/0.5 off
flashing
0.5 sec. on/0.5 off
ON
ON
LED
LED
RED
GREEN
ON
ON
These are temporary alarms that if they occur 6 times in an hour they
ON
become definitive; the alarm E097 is displayed and is followed by post-
ON
purging for 45 seconds at the fan's maximum speed.
It is not possible to release the alarm before the end of the post-purging
ON
unless the boiler's power supply is switched off.
ON
ON
These are temporary alarms that if they occur 3 times in an hour they
ON
become definitive; the last error to occur is displayed and is followed by a
ON
post-purging of 5 minutes at the fan's maximum speed.
It is not possible to release the alarm before the end of the post-purging
ON
unless the boiler's power supply is switched off.
ON
These are temporary faults that restrict the ignition cycle.
ON
Temporary fault reported during the post ventilation. It is maintained a post
ON
ventilation of 5 min at maximum fan speed.
RED and GREEN
flashing
0.5 sec. on/0.5 sec. off
DESCRIPTION OF TYPE
RED and GREEN
definitive
transitional
definitive
definitive
ON
definitive
transitional
ON
definitive
flashing
transitional
0.5 sec. on/0.5 off
transitional/definitive/
definitive
transitional
transitional/definitive/
definitive
flashing
transitional
0.5 sec. on/0.5 off
definitive
flashing
transitional
0.5 sec. on/0.5 off
transitional
transitional
transitional
transitional
DESCRIPTION OF TYPE OF ALARM
NOTES
The red and green LEDs come on at the same time
The red and green LEDs come sequentially one at a time
Only if the flame is present
The red and green LEDs come on alternately
OF ALARM