Why is my vokera combi boiler losing pressure?

I have a Vokera combi boiler that has been losing pressure (over a few hours from 1.5 bar – 0bar). I have released the pressure by bleeding a radiator, and then checked the expansion vessel via valve and it was totally empty. So i topped up the expansion vessel (when system was at 0bar).

Is the Unica vokera central heating system reliable?

Your Vokèra Unicaboiler has been designed to meet and exceed the very latest standards in gas central heating technology, and if cared for, will give years of reliable use and efﬁ ciency. Please therefore take some time to read these instructions carefully. Do’s and Don’t’s

When to turn off the burner on a vokera boiler?

Once your boiler reaches set CH temperature, the burner will stop for minimum 3 minutes and in the instances where temperature of central heating reached required level your boiler will turn off the burner automatically. Don’t forget that your appliance should be cleaned with a clean damp or soft cloth.

Why is the water pressure on my vokera going up?

The water pressure just increases due to the expansion vessel air side pushing the water side. If you try the valve on the expansion vessel and find no air in it despite having pumped air into it earlier, then the vessel is faulty.

Where does hot water go in a vokera boiler?

Vokera combi boilers direct hot water to the radiators or hot water taps, depending whether you want heating or hot water, through a diverter valve which directs the water in the appropriate direction. The older a boiler gets, the more prone the diverter valve becomes to getting stuck in the wrong position.

What does an error code mean on a vokera boiler?

When there’s a fault with your Vokera boiler, it will display either an error symbol or an error code, to help you decipher what these mean, use our list of Vokera error codes. Should You Replace Your Vokera Boiler Instead? An old boiler can end up costing you quite a bit in repairs so it can make sense to replace it with a brand new one.

Can a vokera boiler be repaired for free?

Some common Vokera boiler problems can be resolved without even having to call an engineer out but if an engineer is needed, (and if in doubt always get in touch with an engineer) you can get a free boiler repair quote with our service. What are the most common Vokera boiler problems?

What should the pressure be on a vokera?

The pressure increased by 0.3 bar and stayed at 1.8bar during the time it was running. turned heating off and popped out, upon return pressure had resettled at just below 1.5 bar. normally the pressure would have completely or very nearly totally dropped down to 0.5 – 0 bar by now, so fingers crossed all is good. Heat likes this.

Why is my vokera expansion vessel losing pressure?

As no water escaping when valve pressed and system pressure rising when you pump air into vessel, then the vessel might be okay. Just be careful to check the Schrader valve isn’t leaking air once air pressure done. (I damp my finger and press it partly over uncapped valve to see if any bubbles happen)