The fault is indicative of one of these symptoms.
Vaillant water heater problems.
When troubleshooting your vaillant ecomax boiler please follow the following logical fault finding procedure.
How to fix a geyser commen problems we while be troubleshooting a gas water heater and give you quick and dirty fix for each problem that can occur and go st.
How to troubleshoot the pilot in a hot water.
Compatible with vaillant range of wall mounted boilers floor standing boilers and solar thermal collectors.
Hot water heaters.
Another vaillant but the same problem boiler breakdown hendon colindale edgware duration.
Check the electrical circuits by testing short circuit earth continuity and resistance to earth tests.
Ensure that the boiler has electrical supply correct to 230 v.
In case of need of more domestic hot water a second heat exchanger is powered by the heating device for additional temperature rise for reliable comfort.
I hope you ve found this blog useful when troubleshooting your faulty vaillant boiler but remember unless it s an easy fix such as low water pressure or a frozen condensate it s best to call in an registered gas safe registered engineer who has experience dealing with vaillant boilers.
Low water pressure f22 error ignition problems f28 fault code fault with pump or pressure sensor f75 fault code frozen condensate pipe f28 and f29 fault codes poor flow rate from taps incorrect flame detection f27 faulty gas valve f62.
What are the most common vaillant boiler problems.