Operating Faults And Reset; Temporary Shutdown; Preparing For Extended Periods Of Disuse; Parameters Menu - Riello MINI 11 LN Installation And User Manual

4.5 Operating faults and reset

In the event of a fault, the displays summarised and described in the table
are shown.
Error type
Limit thermostat alarm
Air pressure switch fault
Burner thermostat alarm
Air pressure switch alarm
ACF alarm lockout module
ACF electronics fault alarm
parasite flame fault
Overtemperature fault
Domestic hot water NTC
Fault
Input NTC Fault
In the event of a transitory fault the appliance independently attempts a
reset of operations.
In the event of a permanent fault it is necessary to reset the normal oper-
ation of the appliance by pressing the ON - OFF/RESET (A) key.
This operation can be repeated a maximum of 2 times. If the problem is
not resolved, request help from the Technical Assistance Centre.
b
The system provides for the alarms to remain operational even in
the ON-OFF/RESET state. In this state they are not displayed how-
ever. In the event a lockout occurs when the function is OFF, to
reset it the water heater must be set to ON and then to OFF again.

4.6 Temporary shutdown

In case of temporary absences for weekends, short trips, etc.:
- press the ON-OFF/RESET (A) key
- turn the main system switch to "off".
A
Transitory
Error code
Definitive
Definitive 02
Transitory 03
Definitive 04
Definitive 03
Definitive 01
Definitive 01
Transitory 11
88°C
Definitive
flashing
Transitory 06
Transitory 08
Fig. 12
Fig. 13

4.7 Preparing for extended periods of disuse

If the appliance is not going to be used for a long period of time, the fol-
lowing operations should be carried out:
- press the ON-OFF/RESET (A) key
Icons
- switch the boiler OFF at the mains power switch
- shut-off the system's fuel and water taps.
b
Empty the system if there is a risk of freezing.

4.8 Parameters menu

Press the MENU (B) key for 2 seconds.
The two central segments of the digits blink and together with them some
displayed icons.
Use the "+" or "-" key to select the wrench icon (
central segments switch off.
Press the MENU (B) key to enter the password (only for professionally
qualified personnel) to access the technical menu.
Press the "+" key to increase the numeric value until you reach the value
of the password.
B
(*) psw = set the value of the password (18), available only for profession-
ally qualified personnel. The user can in no way access the TECHNICAL
MENU.
When accessing the technical menu the number "2" is displayed. Press-
ing the "+" or "-" key it is possible to select the successive parameter:
Burner output
2
Gas Type
4
Flow Indicator Type
5
6 Domestic hot water start wait time
11 Domestic hot water circuit maximum setpoint
Induced draught protection function
20
Domestic hot water thermostat operation
40
Displaying domestic hot water input temperature
41
42 Displaying domestic hot water flow rate
43 Displaying domestic hot water output temperature
Exiting the menu
rt
Resetting factory settings
rs
Pressing the MENU (B) key confirms the values set.
To exit the TECHNICAL MENU press the "+" or "-" key until "rt" (return)
is displayed. Pressing the MENU (B) key to return to the USER MENU.
Pressing the ON-OFF/RESET (A) key you pass to the OFF state.
If no action is taken, once 2 minutes have passed the appliance exits the
menu and returns to the normal operation screen.
). At this point the
psw (*)
ENGLISH
Fig. 14
Fig. 15
23