Bedienungsanleitung Remeha Gas 3002 (Seite 31 von 36) (Holländisch)

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12. FAULT-FINDING

Enter code 00 12 using the ' ' and ' ' buttons and

conﬁ rm it with the ' ' button.

- Now select the option 'History data' with the ' ' button

and conﬁ rm it with the ' ' button.

- Now select the lock out or shut down failure memory

using the ' ' button. Conﬁ rm with the ' ' button.

Depending on the option selected, the number of

locking failures stored in the memory (maximum 5 of

each) is now displayed. Failure No. 1 is the failure

which occurred last, failure No. 2 the last but one, etc.

To know which failure occurred last, the failure counter

must be set to 1 using the ' ' and ' ' buttons. When the

' ' button is pressed for conﬁ rmation, the failure in

question is indicated. Using the ' ' button, various

menus can now be called up, all indicating the opera-

tional condition of the boiler at the moment of failure.

In the table below the various failure messages are dis-

played which may appear on the LCD display, followed by

the instructions to eliminate the failure.

For possible measurement methods see chapter 11:

'Commissioning'. When a failure message appears is not

self explanitory, and is not displayed in the table, then

contact our service dep art ment.

Note:

When reporting a failure code, write down the exact mes-

sage and the parameters at which the failure occured.

12.1 General

For troubleshooting use the wiring diagram and the

switching sequence diagram in paragraph 10.9.

The instrument panel is provided with an alphanumeric

LCD display. In the case of failure, the display indicates

the cause of the failure and how long ago the boiler went

into failure mode. The failure and the operating condition

at the time of failure are stored in the memory of the

control unit. Five blocking and ﬁ ve locking failures can be

stored in this memory. If a failure in a boiler repeats itself

several times in rapid succession, this failure is stored

only once. Locking failures can be reset using the reset

button on the instrument panel (' ').

12.2 Faults

In the case of failure, the LCD display indicates the

cause of the failure. It also indicates whether it is a

blocking or locking failure and how long ago it occurred.

In the case of a blocking failure the boiler will automati-

cally restart when the cause of the failure has been

eliminated.

If the same blocking failure has occurred 5 times in rapid

succession the boiler will lock out.

Displaying the operational condition at the time when the

failure occurred speeds up the search for the cause of

failure.

Proceed as follows:

- Select the service level by travelling down the user

menus using the ' ' button.

Fig. 21 N - V controller, boiler with 7 and 9 sections

Fig. 22 N - V controller, boiler with 11 to 19 sections

16.Switch the boiler to full load by selecting option 'Load

maximum' with the ' ' button and confirming it with

the ' ' button.

Compare the CO

percentage with the value men-

tioned in the table. Adjust, if necessary, this CO

percentage with the V-controller. Switch the boiler to

part load, measure and compare the CO

percentage

with the value mentioned in the table and adjust, if

necessary, the value with the N-controller.

17.Repeat this full load/part load switching until the CO

percentages at full load/part load come within the

tolerances mentioned in the table.

18.By pressing the ' ' button, the main menu of the

service level reappears. Now set the desired boiler

control, as described in para. 7.3.3. By pressing the

' ' button three times, you return to the main menu

of the user level.

19.After commissioning, enter the set values in the

table on the boiler.

20.Send the CE commissioning report to Broag.

11.3 Switching off the boiler

1. Set boiler controls to off.

2. Allow the system to cool down.

3. Switch off the electrical suppy.

4. Turn off the gas cock.

Please note! Frost protection may be required.

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