The flue gas sensor must cut off the gas supply within
two minutes and shut off the appliance.
You can start the appliance again after the fl ue gas sen-
sor cools down (at least 15 minutes).
Abb. 7.7 Resetting the appliance
To reset the appliance, either:
>
Close the water tap and open it again without press-
ing the main switch (5), or
>
Leave the water tap open and switch the appliance
off and on again by pressing the main switch (5)
twice.
If the flue gas sensor does not act in this time:
>
Contact customer service.
>
Put the appliance out of operation.
7.6
Test operation and restarting
Always check whether the appliance is working properly
after any inspection or maintenance work.
>
Start up the appliance.
>
Check the appliance for gas and water leaks and seal
them.
>
Check for ignition and an even flame on the main
burner.
>
Check that control and monitoring devices are cor-
rectly adjusted and working properly.
>
Check that the flue system is working properly
(hygrometer).
Installation manual atmoMAG mini 11-0/0 XI 838291_05
Inspection and maintenance 7
a
Danger!
Risk of poisoning and explosion due to an
error function!
Any maintenance or repair work that is car-
ried out incorrectly may affect the safety of
the unit and lead to hazardous situations.
>
Never shut down the safety devices.
>
Never tamper with any of the safety
devices.
i
Before checking the ionisation current, make
sure the test wires and terminals are clean,
and not still wet with soapy water used for
finding leaks.
5
7.7
Spare parts
Only genuine Vaillant spare parts may be used for
inspections, maintenance and repair work to ensure the
perfect long-term working order of all functions of your
Vaillant appliance and to prevent the allowed series con-
dition from being changed.
Any spare parts which might be required are contained
in the current Vaillant spare parts catalogues. Vaillant
sales offices will provide information.
INT
21
EN