9 Troubleshooting
22
Installation and maintenance instructions ecoVIT exclusiv 0020258610_00
8.9
Handing the product over to the end user
1.
When you have finished the installation, attach the
sticker supplied (835593) to the front of the product in
the user's language.
2.
Explain to the end user how the safety devices work
and where they are located.
3.
Inform the end user how to handle the product. Answer
any questions the end user may have. Draw special
attention to the safety information which the end user
must follow.
4.
Draw the end user's attention to the safety and warning
information on the product.
5.
Inform the end user that they must have the product
maintained in accordance with the specified intervals.
6.
Pass all of the instructions and documentation for the
product to the end user for safe-keeping.
7.
Inform the end user about measures taken to ensure
the combustion air supply and flue system, and instruct
the end user that he must not make any changes.
8.
Make the end user aware of the need to keep the in-
structions near the product.
9.
Explain to the end user how to check the required sys-
tem pressure and the measures for filling and purging
the heating installation, where required.
10. Inform the end user of the correct (efficient) settings for
temperatures, controls, and thermostatic valves.
9
Troubleshooting
9.1
Reading off the fault codes
If a fault develops in the product, the display shows a fault
code
F.xx
.
Fault codes have priority over all other displays.
If multiple faults occur at the same time, the display shows
the corresponding fault codes for two seconds each in se-
quence.
You can find an overview of the fault codes in the appendix.
Overview of fault codes (
→
Page 32)
▶
Eliminate the fault.
▶
To restart the product, press the reset button (
→
Operat-
ing instructions).
▶
If you are unable to eliminate the fault and the fault re-
curs despite several reset attempts, contact Vaillant cus-
tomer service.
9.2
Eliminating faults
▶
Eliminate faults after checking the table in the appendix
or by using the function menu (
→
Page 23) or check pro-
grammes (
→
Page 16) as an aid.
Troubleshooting (
→
Page 33)
▶
Press
(max. three times) to restart the product.
▶
If you are unable to eliminate the fault and the fault re-
curs despite reset attempts, contact customer service.
9.3
Checking the status codes
You can call up the status codes in the display. The status
codes provide information about the current operating status
of the product.
▶
Press the
i
button to display the current product status.
The status code is displayed:
S.xx
.
▶
Press the
i
button again to hide the status code.
Status codes
–
Overview (
→
Page 31)
9.4
Resetting parameters to factory settings
▶
To simultaneously reset all parameters to the default
settings, set
d.96
to 1.
9.5
Resetting the safety cut-out
1
1.
Remove the upper casing. (
→
Page 9)
2.
Push the pin
(1)
to reset the safety cut-out.
Note
You can only press down on the pin once the
temperature of the product is < 80 °C.
3.
After the safety cut-out is triggered, always carry out
troubleshooting and eliminate the cause of the fault.
10 Carrying out inspection and
maintenance work
1.
Disconnect the product from the power grid.
2.
Close the gas stopcock.
Note
If inspection and maintenance work is ne-
cessary when the mains power switch is
switched on, this is indicated in the descrip-
tion of the maintenance work.
3.
Adhere to the minimum inspection and maintenance
intervals. The inspection may require maintenance to
be carried out earlier, depending on the results.
4.
Carry out all inspection and maintenance work in the
order shown in the "Inspection and maintenance work"
table in the appendix.
