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User's manual

Appliance shut-off conditions

The boiler is protected from malfunctions by means of internal

checks performed by the electronic P.C.B., which stops the boiler

from operating if necessary. In the event of the boiler being shut

off in this manner, a code appears on the control panel display

which refers to the type of shut-off and the reason behind it.

Two types of shut-off may occur:

Safety shut-off

This type of error is "non-volatile", which means that the boiler

starts up again automatically as soon as the problem which caused

the shut-off is removed; Err and the error code (e.g. Err/111) )

flash on the display and the

In fact, as soon as the cause of the shut-off disappears, the boiler

starts up again and continues to operate normally.

While the boiler is shut off for safety reasons, it is possible to

attempt to restore normal operation by switching the appliance

off and on again using the ON/OFF button on the control panel.

If the boiler still indicates a safety shut-off, switch it off. Make sure

the external electric switch is in the OFF position, and contact a

qualified technician.

Safety shut-off due to insufficient water pressure

If the water pressure inside the heating circuit is insufficient, the

boiler will perform a safety shut-off.

Code 111 (e.g. Err/111) will appear on the display, in addition

to the

symbol.

To re-pressurise the boiler, it will be necessary to connect

the silver flexible hose supplied to the two isolating points

underneath the boiler, once the hose is connected, open up both

of the black quarter turn handles, once the pressure reads 1.5 bar

on the display, close both handles and disconnect the hose .

If the pressure drops very frequently, there may be a water leak

at some point in the system. If this is the case please contact your

installer and ask them to check it.

Note: Connections viewed from behind boiler

Operation shutdown

This type of error is "volatile", which means that it is not removed

automatically. The display will flash Err and the error code, and

appears with the symbol .

In this case the boiler does not restart automatically, but it may

be reset by pressing the

itself again after several attempts to reset the appliance, contact a

qualified technician.

No ame detected

symbol appears.

button. If the problem manifests

IMPORTANT

IF THIS SHUTDOWN OCCURS FREQUENTLY, CONTACT AN

AUTHORISED SERVICE CENTRE FOR ASSISTANCE. FOR SAFETY

REASONS, THE BOILER WILL ALLOW A MAXIMUM OF 5 RESET

OPERATIONS TO TAKE PLACE IN 15 MINUTES (INDIVIDUAL

PRESSES OF THE

BUTTON).

IF THE SHUTDOWN IS OCCASIONAL OR AN ISOLATED EVENT,

THIS IS NOT

NECESSARILY A PROBLEM.

Operation shutdown error table

ISPLAY

ESCRIPTION

1 01

Overheating

5 01

No flame detection

1 0

1 04

1 05

Insufficient circulation

1 06

1 07

1 11

Insufficient water pressure

P.C.B. error

Anti-frost Device.

The anti-frost function acts on the central heating flow temperature probe,

independently from other settings, when the electrical supply is turned

on.

If the primary circuit temperature falls below 8°C the pump will run for

minutes.

After the two minutes of circulation (fixed) the boiler will check the fol-

lowing:

a) if the central heating flow temperature is > 8°C, the pump stops;

b) if the central heating flow temperature is between 4 and 8°C, the pump

will run for another two minutes;

c) if the central heating flow temperature is < 4°C, the burner will fire

(heating position) at minimum power until the temperature reaches

°C, the burner will go off and the pump will continue to run for two

minutes.

The anti-frost device activates only when (with the boiler operating cor-

rectly):

- the system pressure is correct;

- the boiler is electrically powered, the symbol

- there is a supply of gas.

is illuminated;