Resolving Ignition Faults; Maintenance Message; Resetting The Boiler - Vaillant ecoTEC plus Operating Instructions Manual

7 Troubleshooting
In addition, the maintenance symbol (open-ended spanner)
is displayed after approx. one minute.
If the filling pressure falls below 0.05 MPa (0.5 bar), the
boiler switches off and the fault message F.22 appears in
the display. To put the boiler into operation again, you must
fill the heating system with water (¬ Section 5.1.3 and
5.1.4).
7.4

Resolving ignition faults

Caution!
b
Risk of damage due to improper modifi-
cations.
Improper alterations or persistent faults
can result in material damage.
> If you are unable to resolve the ignition
problem yourself by resetting the boiler
three times, then consult your approved
competent person.
Failure in start up
Igntn unsuccessful
Menu

7.3 Resetting the boiler

If the burner fails to ignite after five attempts, the boiler
will not operate and switches to "Fault". This is indicated by
the fault code F.28 or F.29 (1) and a corresponding plain text
display on the display, e.g. for F.28. "Failure during starting,
ignition unsuccessful" (2).
24
F.28
The boiler will only ignite automatically again once you
have reset it manually.
> To reset the boiler manually, press the reset button (3)
and hold for one second.
> If you are unable to resolve the ignition problem yourself
by resetting the boiler three times, then consult your
approved competent person.
7.5

Maintenance message

7.4 Maintenance message
If the open-ended spanner is displayed, a service is required
for the boiler.
> Consult your skilled tradesman about doing this.
The boiler is not in fault mode but continues to operate.
> In the "Live monitor", you can read further information
about the reason for the service (¬ Section 8.2).
1
i
If the water pressure is shown flashing at the
same time (¬ Section 7.3), you only have to top
2
up the water (¬ Section 5.1.3 and 5.1.4).
3
Operating instructions ecoTEC plus 0020116701_00
58