40
FAMILY CX
14 FAULTS
If any faults should occur, a screen will appear on the display indicating
the relative error code and a brief alphanumeric description of the same.
Pressing the
“back”
button it is possible to return to the main screen,
where a fault is signalled by this fl ashing icon
.
The user can return to the fault description screen by using the
“up”
and
“down”
keys and then pressing the
“ok”
key. The faults description screen
is automatically displayed once the display illumination time has elapsed
without any button being pressed.
Press the
“up”
and
“down”
keys to display the descriptions of any other
faults that may be present.
1.3
bar
42
°C
MENU
STATE
SET
INFO
PLANT
HOT WATER TEMPERATURE
FRI
18/05/2013
12:17
List of combustion faults
ERROR
CODE
ERROR MESSAGE
LED
RED
LED
GREEN
DESCRIPTION OF TYPE OF ALARM
E021
ion alarm
ON
These are temporary alarms that if they occur 6 times in an hour they
become defi nitive; the alarm E097 is displayed and is followed by post-
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
unless the boiler's power supply is switched off .
E022
ion alarm
ON
E023
ion alarm
ON
E024
ion alarm
ON
E067
ion alarm
ON
E088
ion alarm
ON
E097
ion alarm
ON
E085
incomplete combustion
ON
These are temporary alarms that if they occur 3 times in an hour they
become defi nitive; the last error to occur is displayed and is followed by a
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
unless the boiler's power supply is switched off .
E094
incomplete combustion
ON
E095
incomplete combustion
ON
E058
mains voltage fault
ON
These are temporary faults that restrict the ignition cycle.
E065
current modulation alarm
ON
E086
obstruction fumes alarm
ON
Temporary fault reported during the post ventilation. It is maintained a post
ventilation of 5 min at maximum fan speed
Boiler faults list
ERROR
CODE
ERROR MESSAGE
RED LED
GREEN LED
RED and GREEN
DESCRIPTION OF TYPE
OF ALARM
E010
fl ame lockout/ACF electronic fault
ON
defi nitive
E011
extraneous fl ame
fl ashing
0.2 sec. on/0.2 off
transitional
E020
limit thermostat
fl ashing
0.5 sec. on/0.5 off
defi nitive
E030
fan fault
ON
defi nitive
E040
water transducer – load system
ON
defi nitive
E041
water transducer - press OK to fi ll the system
fl ashing
0.5 sec. on/0.5 off
transitional
E042
water pressure transducer fault
ON
defi nitive
E060
domestic hot water probe fault
fl ashing
0.5 sec. on/0.5 off
transitional
E070
fault fl ow sensor/overtemperature fl ow sensor
fl ow/return sensor diff erential alarm
ON
transitional/defi nitive/
defi nitive
E077
main zone water thermostat
ON
transitional
E080
fault return line probe/return line probe overtemperature/
outlet/return line probe diff erential alarm
ON
transitional/defi nitive/
defi nitive
E090
fault fl ue gases probe
fl ue gases overtemperature probe
fl ashing
0.5 sec. on/0.5 off
transitional
defi nitive
E091
clean primary heat exchanger
fl ashing
0.5 sec. on/0.5 off
transitional
--
water pressure low press OK to charge
fl ashing
0.5 sec. on/0.5 off
transitional
--
water pressure high check system
fl ashing
0.5 sec. on/0.5 off
transitional
--
boiler board communication lost
ON
transitional
--
BUS 485 communication lost
ON
transitional
