Bedienungsanleitung Ariston Clas HE R (Seite 35 von 64) (Englisch)

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BOILER PROTECTION DEVICES

Boiler protection devices

The boiler is protected from malfunctioning by means of internal

checks performed by the 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 display which refers to 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 error is indicated by the «Err» symbol which

appears on the display and the error code.

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 after attempting this the boiler still shows a safet shut oﬀ, switch it

oﬀ and ensure that the external electrical switch is in the oﬀ position.

Shutdown

This type of error is “non-volatile”, which means that it is not removed

automatically. To restore normal operation press the button

on the control panel.

The ﬁrst ﬁgure of the error code (e.g. 1 01) indicates within which

operational assembly the error occurred.

1 - Primary Circuit

3 - Internal Electronic Part

5 - Ignition and Detection

6 - Air inlet - ﬂue gas outlet

Malfunction warning

This warning is shown by the display in the following format:

5 P1 = FIRST IGNITION ATTEMPT UNSUCCESSFUL

the ﬁrst ﬁgure indicating the operational assembly is followed by a P

(warning) and the code relating to the speciﬁc warning.

Important

If this shutdown occurs frequently, contact an authorised Technical

Service Centre for assistance. For safety reasons, the boiler will

permit a maximum of 5 resets in 15 minutes (5 presses of the RESET

button); at the 6th attempt within this 15-minute period the boiler

will shut down and may only be operated again after the electricity

supply has been disconnected. If the shutdown is occasional or an

isolated event, this is not a problem.

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 3°C

and 8°C the pump will run until the temperature

reaches > 9°C.

If the ﬂow temperature remains between 3°C and 8°C the pump will

continue to run for a maximum of 20 minutes unless a temperature

above > 9°C is detected in the central heating ﬂow, after this the the

burner will ﬁre (heating position) until a temperature of > 30°C is

detected.

If the central heating ﬂow temperature is < 3°C, the burner will ﬁre

(heating position) at minimum power until the temperature reaches

> 30°C, the burner will go out.

If lockout is caused by overheat the burner will not ﬁre but the pump

will continue to run.

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

correctly):

- the boiler is electrically powered;

- there is a supply of gas.

Central Heating circuit

Display Description

1 01

Overheat

1 03

Insuﬃcient circulation

1 04

1 05

1 06

1 07

1 10

Flow temp. probe circuit open / short circuit

1 12

Return temp. probe circuit open / short circuit

1 14

External sensor circuit open / short circuit

1 18

Heating delivery probe problem

1 P1

Insuﬃcient circulation indication

1 P2

1 P3

Internal P.C.B.’s

3 01

EEPROM error

3 02

Comunication error

3 03

Main P.C.B. error

3 04

Too many (> 5) resets in 15 minutes

3 05

Main P.C.B. error

3 06

Main P.C.B. error

3 07

Main P.C.B. error

Ignition and Detection

5 01

No ﬂame detected

5 02

Flame detected with gas valve closed

5 04

Flame lift

5 P1

1st Ignition Failed

5 P2

2nd Ignition Failed

5 P3

Flame cut-oﬀ

Air Inlet / Flue gas outlet

6 04

Insuﬃcient fan speed

6 10

Thermofuse open

Table summarising error codes

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