Switching Off For Lengthy Periods; Display And Fault Codes - Riello Residence IN Condens KIS i User Instructions

Circulator antiblocking: The circulator acti-
vates every 24 hours of stop for 30 seconds.
1.10 Switching off for lengthy
periods
If the boiler is not used for a long period, car-
ry out the following operations:
− position the mode selector on (5) to
" " (off-reset)
1 2
6
− set the system's main switch to "off",
− turn off the fuel and water taps of the
heating and domestic hot water sys-
tem,
9
In this case, the anti-freeze and an-
ti-blocking systems are deactivated.
Drain the heating and domestic water
system if there is any risk of freezing.
9
The Technical Assistance Centre r
is available if the procedure reported
above is difficult to do.

1.11 Display and fault codes

When there is an operating fault a blinking
code is shown on the display and the red led
comes on in the event of a definitive lockout.
3
5 4
For a description of the faults, refer to the ta-
ble below.
CODE DESCRIPTION
Number of ignition at-
tempts exceeded (flame
AL10
absent/condensation
present lockout)
AL20 Limit thermostat fault
Low temperature
thermostat/
AL21
condensation pump
safety lockout
Return line
AL26
overtemperature
Return line/outlet probe
AL28
differential fault
Flue gases probe
AL29
overtemperature
Tacko fan fault - Air
AL34
pressure switch fault
System water pressure
AL40
low (after 10 minutes)
System water pressure
AL41
low
AL52 General electronic fault
Fault due to absence
of boiler lockout
AL55 configuration
(corresponding jumper
absent)
AL60 DHW probe fault
Outlet probe fault (open/
AL71
short circuit)
Return line probe fault
AL73
(open/short circuit)
Outlet overtemperature/
return line/outlet/return
AL79
probe lockout differen-
tial fault
24
STATUS
LOCKOUT
LOCKOUT
LOCKOUT
LOCKOUT
LOCKOUT
LOCKOUT
LOCKOUT
LOCKOUT
STOP
LOCKOUT
LOCKOUT
SEE DEDI-
CATED SEC-
TION
STOP
STOP
LOCKOUT