Ariston CLAS B 25 CF Посібник користувача - Сторінка 6

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manuale d'uso

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 "volatile", which means

that the boiler starts up again automatically

as soon as the problem which caused the

shut-off is removed. On the display flash

"Err" and the error code (es.

Err/107).

In fact, 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, shut off the gas

valve 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.

On the display flash "Err" and the

code for Insufficient circulation

Check the water pressure on the pressure gauge and make sure

that is between 0.6 and1.5 bar when the system is cold. If the

pressure is just under the minimum refill the system by open the

valve under the boiler.

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

some point in the system. If this is the case a plumber should be

contacted.

peration shutdown

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

removed automatically. On the display flash Err and the error

code, and the red led "3"

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.

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 A PROBLEM.

Err/108)

will illuminate.

button. If the problem manifests

Operation shutdown error table

display

description

1 01

Overheating

5 01

No flame detected

1 03

1 04

1 05

Insufficient circulation

1 06

1 07

1 08

Insufficient water pressure

3 05

P.C.B. error

3 06

P.C.B. error

3 07

P.C.B. error

6 01

Fune Sensor Error (CF Models)

Temporary Shut-Off due to defective flue gas discharge (CF)

601

This device causes the boiler to shut down in the event of an

anomaly in the flue gas discharge. The appliance shutdown is

temporary and is signalled by error code 601..

After 12 minutes, the boiler begins the ignition procedure; if normal

conditions have been restored, the boiler operates as normal. If

not, the boiler shuts down and the cycle is repeated.

WARNING!

In the event of a malfunction or if repeated intervention is

required, switch the boiler off, shut off the electricity supply

by turning the external switch to the OFF position and shut

off the gas valve. Contact the Technical Assistance Service or

a qualified technician in order to repair the flue gas discharge

fault once the cause of the malfunction is detected.

Anti-frost Device.

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

probe, independently from other regulations, when the electrical

supply is turned on.

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

for 2 minutes.

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

following:

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 33°C, the burner will go out and the pump will continue

to run for two minutes.

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

correctly):

- the system pressure is correct;