The green light on your Worcester Greenstar RI boiler indicates that burner is working. The pilot light is a small blue flame that lights a larger flame when there a call for central heating and how water – if it’s burning orange or yellow there could be a carbon monoxide leak. Siphon fill mode. The blue light on an RI will flash when it detects no gas supply, or low pressure. I have a Worcester Greenstar boiler ri which has a fast blue flashing light after around 15-20 seconds of it being switched on. Worcester Bosch Greenstar Junior 28i – blue light flashing, no heating or hot water. Their manual does not mention anywhere what this means. Posted on 08 Apr 2018. The flashing is going fast and not slow. 2. Have tried a hard reset using the function on the boiler, and reset the boiler but no further. Worcester greenstar 28i junior flashing green light. Hi, this is a brief explanation on how I managed to fix my boiler myself, without the need for call out help. Worcester Bosch Greenstar Junior 28i repair. Worcester greenstar 28i junior flashing green light. Explanation 1: Gas Supply. You can hear fan starting but boiler does not ignite. A blue light flashing on a Worcester RI boiler indicates there’s a problem with gas supply, flue blockages or the condensate unit. Worcester Bosch Greenstar Junior 28i Flashing Green Light - Can't Control Heat 14 April 2015 at 7:29PM edited 30 November -1 at 12:00AM in Energy 3 replies 4.3K views When the boiler can’t ‘see‘ the thermostat, you get a flashing Central Heating Light the Worcester Bosch boiler. This is perfectly normal - it is a safety feature of the boiler. It's a worcester greenstar 28i Jr. It’s no fun having a faulty boiler, especially if you don’t know how extensive the work is or how much it’ll cost to fix. I did find the manual on it, tried turning it off at the switch and holding the reset but neither worked However, if the boiler is working properly then, it is not necessary to change the LED. Firstly, LED Failure is an obvious explanation & I would suggest replacing it immediately. The water and gas are both on at the transmitter unit. This happens after the boiler has been turned off, if it hasn't been used for a day or so, and if the control knob has been turned down and back up. Without a pilot light, the boiler won’t be able to provide central heating or domestic hot water. Older boilers are more prone to faults, and over the years I’ve received quite a few calls about old, faulty Worcester boilers. Boiler not working in both hot water and central heating modes. When I arrived, he switched the controls on and the boiler's blue light began to flash straight away. Worcester greenstar 28i junior flashing green light ipbr21054 , 18 Oct 2009 , in forum: Plumbing and Central Heating Replies: So below, I’m going to go over some of the most common Worcester boiler faults, and fixes. A customer called me worried because the blue light was flashing on his Worcester Greenstar 24Ri and he was worried that it had developed a fault. Generally, there are two explanations behind it. Joined: Sun Oct 18, 2009 11:02 am Has thanked: 0 Been thanked: 0. The green light is solid and static. This could be a range of things such … The boiler will run at a low burn for about 15 minutes to fill the condense trap. Added to this, the Central Heating Mode defaults to OFF at the same time, which you can’t change by pressing any button. No pilot light on boiler. Reset using the function on the boiler, and reset the boiler &! 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