the hot water works fine, but the heating doesn't. when i press the reset switch on the front it displays ' co ' and the heating comes on then stays on which is fine, but the pressure display goes up to 3bar . when i press the switch again it turns off and the heating wont turn on. help
hi,can any body help with my vokera linea 24,when using hot water reaches 40-42 degrees then shuts down,re-ignites when water temp drops to about 20-30 degrees,climbs to 40-42 degrees,and so on.ive replaced temp thermistor on right hand side,still the same,central heating works fine.
steve
January 2010
My boiler was flashing code 07 Primary Thermistor open circuit. I replaced the switch as described in the installation and servicing instruction manual. I then refilled the system so the pressure gauge read 1.5 bar. After half an hour the pressure went down to 1 bar. I then refilled the system to 1.5 bar and left it overnight and subsequently when checking the pressure the following morning it had gone down to zero. Hope this helps.
Peter
August 2009
the operating pressure should be 1 to 1.5 bar MAX. There is a built in safety valve that operates if the boiler pressure exceeds 3ba.
stu
December 2007
My Vokera Compact 24 boiler had high pressure problems. they were cured by adding a new expansion vessel and disconnecting the old one. It may be worth trying to re- charge the pressure vessel, but if it loses pressure again then replace it
Phil
April 2007
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