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Vokera 28 linea boiler cuts out intermitently. 04 Error code

Hiya,
I have a Vokera 28 linea boiler which cuts out intermitently. 04 Error code shows & a red light flashes. The Bar Gauge is at 0. Please help as I have called loads of service companies but they are all booked until after Christmas!

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  • 4 Answers

SOURCE: my vokera linea 7 boiler

The pipe you call over flow. This would be the P/R valve and is set to relieve pressure in system. The first thing that needs to be checked - the expansion tank two types of tanks one would be what is know as a extrol tank, Most likey just hanging off pipe, it has air pressure on one side of rubber dia. and boiler water on other. The 2nd type is just a tank at ceiling height (most of the time). You would see a hose bib off the one end. Tank holds some water but must have air for boiler water to push into as it is heated. If you have the first tank it should be replaced. The 2nd type needs to be drained of all water. Shut off feed line to tank hook up short hose and drain into a bucket. if water stops you must break the vacuum raise hose above tank air should go into tank. repete draining till all water is out of tank. Some tanks have a way to open a valve to let air in as you drain if so use it. When all water is out of tank valve off everything (no air should leave tank) Open back up to system now you should have aplace for the water to expained to.

Posted on Nov 06, 2008

PSITECHNICAL
  • 71 Answers

SOURCE: No heating and no hot water, my boiler won't fire up

If there is a hi-limit switch, maybe it's open, reset the switch, and monitor the temperature, if the temp. increases over the set temp. replace stat, and clean lime off from the tank, if does not have a filtering system

Posted on Apr 21, 2009

hvac1960
  • 2133 Answers

SOURCE: Vokera 24/28 Europa Combi Boiler Water

Check sensor whether fix in proper place.

Posted on Dec 02, 2010

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Could please tell me how to light the pilot on my vokera boiler please


Hi and welcome to FixYa, I am Kelly

Since you did not include your model number, I am not going to guess which boiler you have. (Not being rude there are just too many.)

Every model of Volkera Boiler is listed in the link below. Please click or copy and paste this link:
http://www.vokera.co.uk/trade-professionals/manuals-literature
Once the page opens, find your model number and click on "download" to get the manual. The lighting instuctions are in the manual.

Thanks for choosing FixYa,
Kelly

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