Manual Vaillant ecoMAX 635 E (page 9 of 12) (English)

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Operation 4

Instructions for use ecoMAX 9

4.6 Resetting the appliance

Fig. B.11 Resetting the appliance

When a hot water tap (ecoMAX 800 series only) or the

central heating system requires heat, the boiler automa-

tically ignites and starts to operate. If the automatic igni-

tion is not successful within 5 attempts, then the boiler

does not go into operation and switches to “Lock out”.

This is indicated by a fault code “F.28” or “F.29” on the

display.

A new attempt to ignite the flame can then only be per-

formed after pressing the “Reset” button.

• Press the “Reset” button (1) and hold for approx.

1 second.

Attention!

If the boiler still shuts off after a third attempt,

then please consult your installer or Vaillant

Service Solutions.

The boiler also switches to “Fault” when there is not

enough water in the system. This fault is indicated by

fault code “F.22” “F.23” or “F.24”.

The boiler can only be placed back in operation after the

heating system has been properly refilled with water.

In the unlikely event of any other fault developing, which

prevents the boiler from operating, the display will also

show other fault codes. If a fault code is displayed please

contact your installer or Vaillant Service Solutions.

Note!

If contacting Vaillant Service Solutions please

remember to quote the fault code, as this will

help to pinpoint the fault.

STOP

max. 3 x !

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Vaillant ecoMAX 635 E Manual

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