Bedienungsanleitung De Dietrich Gas 310 ECO (Seite 59 von 76) (Englisch)

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De Dietrich Gas 310/610 ECO

14 FAULT-FINDING

14.1 General

• If the boiler does not start up, check the

following:

• Is a 120 V supply present?

• Is there a heat demand?

• Has the boiler control (parameter

) been set

correctly ?(see section 13.1.3)

If the above items have been verified and the boiler

does not start, this indicates a failure. In the case of a

failure signal, both the code window and the



window will flash. Except for failure

 (does not

flash).



Important!!

Keep a record of the failure codes before resetting

(numbers, including flashing digits and dots) and quote

them when asking for technical support or consult the

failure code tables in this manual. The failure code is

needed to find the cause of the fault quickly and

correctly. For further details on the various failure

codes and possible causes refer to table 23.

 Apart from failure codes (lock-out), the system

also knows shut-off codes (see section 12.4). In the

latter case only the two dots in the

 window will

flash and the code window will display

. A shut-off

code may refer to a system problem or incorrect

setting.

14.2 Failure mode () (service level)

The latest failure and corresponding operating

codes and applicable temperatures are stored in the

micro-processor memory and can be read out in

failure mode as follows:

-Enter the service code

 (see section 13.2).

-Press the

 key until  appears in the code window

(digit flashes).

-Select the required step with the

 key.

In the above example:

The return temperature sensor is defective (=failure

code

), during burning (= operating code )

with a flow temperature of 127°F [53°C], return

temperature of 104°F [40°C] and a flue gas

temperature of 136°F [58°C]. The boiler block

temperature was 145°F [63°C], the ionization level was

1.8

A, and the boiler had 118026 operating hours and

a speed of 2667 rpm. The time elapsed after the

failure can only be read on a PC or laptop.

14.3 Cooling mode

This mode enables maintenance on the burner and/or

the heat exchanger to be carried out more efficiently.

In this mode, the fan runs at maximum speed for two°

minutes, which cools down the boiler rapidly. When

this mode is active, the system does not respond to

heat demands.

Important!! This mode can only be activated if

there is no heat demand on the boiler. The code



indicates that the mode is active (

 for cooling).

The mode is activated by pressing the

and [+] keys

simultaneously (during normal °operating status with n°

heat demand).

The mode can be terminated prematurely by pressing

the [+] and [-] keys simultaneously.

Code



Description

 



Failure code (see table 19)

 



operating code, with failure intervention

(section 12.1)

 



Flow temperature, with failure intervention

 



Return temperature, with failure intervention

 



Flue gas temperature, with failure intervention

 



Boiler block temperature



 



Time from failure (with PC software only)

 



Ionization level (analog)

 

operating hours (hundred thousand and ten

thousand)

 

operating hours (thousands and hundreds)

 

operating hours (tens and units)

 

fan speed at failure (thousands and

hundreds)

 

Fan speed at failure (tens and units)

Table 22 Service level failure mode

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