Ariston E-Combi 30 Manual del usuario - Página 6

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Boiler protection devices

The boiler is protected from malfunctioning by

means of internal checks performed by the electronic

microprocessor P.C.B., which stops the boiler from

operating if necessary.

In the event of the boiler being shut off in this

manner, the leds code show the type of shut-off and

the reason behind it.

There are two types of shut-off:

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; the

yellow led 9 flash and the C.H. Temperature leds 1

indicate the error code. (see table)

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

the boiler starts up again and continues to operate

normally.

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 qualifi ed technician.

Shutdown due to insufficient water circulation

If the green leds 1 flash and the boiler is off , one

possible cause for this stateis an insufficient pressure

of water in the system - green leds 40-50 blink. Check

the water pressure on the pressure gauge 4 and make

sure that is between 0.6 and 1.5 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.

Operation shutdown

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

it is not removed automatically (the red led 8 will

illuminate and the C.H. Temperature led 1 will indicate

the error code). In this case the boiler does not restart

automatically, but it may be reset by pressing the

button. If the problem manifests 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.

Supplied By www.heating spares.co Tel. 0161 620 6677

Temporary shutdown due to defective discharge

of exhaust fumes.

The boiler is fitted with safety devices, which in the

event of a defective discharge of exhaust fumes,

automatically interrupts the gas supply, there by

shutting off the boiler.

The shut-off of the boiler is temporary and is

indicated by the illuminationof the yellow led 9 for a

period of about 1 minutes.

Once this time period has passed and the discharge

state of exhaust fumes has returned to normal, the

boiler automatically turns back on.

IMPORTANT!

frequently, contact an Authorised Service

Centre. So that they may check that the

exhaust fumes are being expelled correctly

and that the area is ventilated properly.

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 is between

°C and 8°C the pump will run (with the diver-

ter valve switching between central heating and

hot water every 1 minute) until the temperature

reaches > 9°C.

If the flow temperature remains between °C and

8°C the pump will continue to run for a maximum of

0 minutes unless a temperature above > 9°C is de-

tected in the central heating flow, after this the the

burner will fire (heating position) until a temperature

of > 0°C is detected.

If the central heating flow temperature is < °C, the

burner will fire (heating position) at minimum power

until the temperature reaches > 0°C, the burner will

go out.

If lockout is caused by overheat the burner will not

fire but the pump will continue to run (heating po-

sition).

The anti-frost device activates only when (with the

boiler operating correctly):

- the system pressure is correct;

- the boiler is electrically powered;

- there is a supply of gas.

this

situation

occurs