Run a Test Program

By running a test program allows the sequential activation of special functions to test your boiler.

The test programs are activated by pressing the Power ‘ON’ switch and ‘+’ simultaneously for 5 seconds.

By default ‘P.1’ will display, where you can scroll by pressing the ‘+’ button.

Press the ‘I’ button to start the unit and test the selected program.

A test program can be aborted at any time by pressing the ‘I’ and ‘+’ buttons simultaneously.

For information on each Test Program refer to the table below:

 

Code Test Program Meaning

P.1 Test Program used when the unit runs at full load after successful ignition

P.2 Test program used when the unit runs with minimum gas consumption after successful ignition

P.5 Program for STB (Safety Temperature Limiter) testing; the device heats up, bypassing the regular shutdown procedure, until it reaches the STB shutdown temperature of 97¡C

 

Following is from the Vaillant Ecotec Installation manual, for the newer Ecotec use the installation assistant.

Vaillant P Test Programs

Disclaimer: Information on this website is provided for informational purpose therefore we cannot accept liability for subsequent problems. All repair tasks should be carried out by qualified trades people. We may also receive commission payments when you are taken to external websites and complete purchases from third party sellers, once you leave our site, we cannot be held liable for your purchases.