How do you reset a Vaillant ecoTEC Plus 837?
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.
What should the pressure be on a Vaillant ecoTEC boiler?
between 1 and 1.5 bars
Boiler pressure should generally be between 1 and 1.5 bars when central heating is turned off. The needle of the pressure gauge should remain above the lower limit set by your boiler manufacturer at all times.
What does a flashing radiator mean on a Vaillant boiler?
There is a flashing sign on a vaillant boiler. It means that the boiler is hot and resting while the pump is running. The symbol will stop flashing when the boiler cools down.
What temperature should my Vaillant boiler be set at?
For a modern combi boiler, the radiator heating temperature should be set at or around 75 degrees celsius for the best efficiency and performance.
Why is my Vaillant boiler pressure too high?
What Causes Boiler Pressure To Go Really High. This is a common fault on Vaillant Ecotec boilers and is caused by the expansion vessel losing its charge. ve got a 1 bar charge, but over time they lose it, which causes the pressure dramatically to rise when the heating is on.
What are the symbols on a Vaillant boiler?
Vaillant Boiler Symbols
| MBNo | Description and Explanation | |
|---|---|---|
| 1 | Flame: Permanently on: Correct burner operation; Burner on | |
| 2 | Display of the current burner modulation rate (bar graph display) | |
| 3 | Flame: Permanently on: Correct burner operation; Burner on | |
| 4 | Flame with cross: Boiler is at lock out and will display fault code | Article |
Why are radiators not heating up?
Check for Trapped Air and Bleed Your Radiators If just one (or a few) of your radiators aren’t heating up, the most common reason for this is trapped air. If you’ve just turned the heating back on after the summer, air can become trapped in your radiators, causing them to be warm at the bottom but cold at the top.
Is it cheaper to leave heat on all day?
Simply lowering your heat 10 to 15 degrees for eight hours a day could save you anywhere from 5 to 15 percent of your energy costs each year, according to the U.S. Department of Energy, or about 1 percent for each degree you turn back the thermostat.
What is the best temperature to set your boiler at?
As a rule, setting your heating control to 75 degrees should be sufficient to give you a perfectly warm house, while also allowing your boiler to run as economically as possible. Once this is set, you shouldn’t need to adjust it.
Do you need a manual for your Vaillant Ecotec plus 837 boiler?
Need a manual for your Vaillant ecoTEC plus 837 Central Heating Boiler? Below you can view and download the PDF manual for free. There are also frequently asked questions, a product rating and feedback from users to enable you to optimally use your product. If this is not the manual you want, please contact us.
What are the instructions for installation and servicing Ecotec?
Instructions for installation and servicing ecoTEC / 839592_06 5 increase the flexibility. If desired, an inhibitor may be used in the system. Guidance on the use of inhibitors is contained in these instructions. All boilers have a built in diagnostic system which indi-cates the operational status of the boiler. This feature
What does E13 mean on a Vaillant boiler?
Error E13 indicates that the water in the system is not flowing properly. This might be because too few radiators are turned on. It is also possible that the bypass valve is not set correctly or that there is blockage in the system. In these last two cases it is best contact a mechanic.