vaillant combi boiler TURBOmax problem with hot water

[DARIUS]

Hi,everybody .I've TURBOmax VUW242E which started playing,when hot water is turn on after few second the burner is cutting of so water is getting cold but after another few second burner is firing again and so on like a YO-YO, hot could hot could hot.Anyone to HELP.THANKS

 

[ChrisR]

Does it behave on Central Heating?

 

[namsag]

It is not unusaul for these to have a faulty HW microswitch that makes then breaks even though divertor arm is making proper contact, causing boiler to go on and off

 

[DARIUS]

It is not unusaul for these to have a faulty HW microswitch that makes then breaks even though divertor arm is making proper contact, causing boiler to go on and off

THANK YOU FOR REPLYING TO MY PROBLEM.CAN YOU TELL ME HOW EASY IS TO CHANGE HW MICROSWITCH.I REPLAYS WHOLE DIVERTOR VALVE 4 WEEKS AGO AND BOILER WAS WORKING PERFECT BUT THEN THIS PROBLEM WITH HW STARTED AND IS PROGRESSING.HW IS GETTING COLDER AND COLDER.

 

[DARIUS]

[q uote="ChrisR";p="740679"]Does it behave on Central Heating?[/quote] CENTRAL HEATING IS WORKING PERFECTLY OK.

 

[ChrisR]

It only takes a few minutes. You must have noticed it on the side of the diverter. Its position is adjustable - yours may be loose.