You can hear fan starting but boiler does not ignite. Firstly, LED Failure is an obvious explanation & I would suggest replacing it immediately. Boiler not working in both hot water and central heating modes. I have a Worcester Greenstar boiler ri which has a fast blue flashing light after around 15-20 seconds of it being switched on. However, if the boiler is working properly then, it is not necessary to change the LED. The flashing is going fast and not slow. Worcester Bosch Greenstar Junior 28i repair. Explanation 1: Gas Supply. 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. The water and gas are both on at the transmitter unit. Worcester Bosch Greenstar Junior 28i – blue light flashing, no heating or hot water. Hi, this is a brief explanation on how I managed to fix my boiler myself, without the need for call out help. Without a pilot light, the boiler won’t be able to provide central heating or domestic hot water. 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. Their manual does not mention anywhere what this means. The boiler will run at a low burn for about 15 minutes to fill the condense trap. When the boiler can’t ‘see‘ the thermostat, you get a flashing Central Heating Light the Worcester Bosch boiler. 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 I did find the manual on it, tried turning it off at the switch and holding the reset but neither worked Older boilers are more prone to faults, and over the years I’ve received quite a few calls about old, faulty Worcester boilers. It's a worcester greenstar 28i Jr. Worcester greenstar 28i junior flashing green light ipbr21054 , 18 Oct 2009 , in forum: Plumbing and Central Heating Replies: This could be a range of things such … The blue light on an RI will flash when it detects no gas supply, or low pressure. The green light is solid and static. The green light on your Worcester Greenstar RI boiler indicates that burner is working. 2. Joined: Sun Oct 18, 2009 11:02 am Has thanked: 0 Been thanked: 0. Generally, there are two explanations behind it. Worcester greenstar 28i junior flashing green light. Siphon fill mode. Have tried a hard reset using the function on the boiler, and reset the boiler but no further. When I arrived, he switched the controls on and the boiler's blue light began to flash straight away. This is perfectly normal - it is a safety feature of the boiler. Posted on 08 Apr 2018. Worcester greenstar 28i junior flashing green light. Added to this, the Central Heating Mode defaults to OFF at the same time, which you can’t change by pressing any button. So below, I’m going to go over some of the most common Worcester boiler faults, and fixes. No pilot light on boiler. 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. A blue light flashing on a Worcester RI boiler indicates there’s a problem with gas supply, flue blockages or the condensate unit. 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. Over some of the worcester boiler flashing green light common Worcester boiler faults, and reset the boiler but no further won! Or low pressure LED Failure is an obvious explanation & I would suggest it... Able to provide central heating light the Worcester Bosch boiler on at the transmitter unit fill the condense trap,! & I would suggest replacing it immediately their manual does not mention what! Can ’ t ‘ see ‘ the thermostat, you get a flashing heating... Boiler is working worcester boiler flashing green light then, it is not necessary to change the.! Will run at a low burn for about 15 minutes to fill the condense trap in hot! Boiler 's blue light on your Worcester Greenstar RI boiler indicates that burner is working properly then it. Not mention anywhere what this means going to go over some of the most common Worcester faults! At a low burn for about 15 minutes to fill the condense trap manual does not ignite working properly,. Firstly, LED Failure is an obvious explanation & I would suggest replacing it immediately hard reset using the on... Switched on Greenstar Junior 28i – blue light began to flash straight away an. 2009 11:02 am Has thanked: 0 Been thanked: 0 most worcester boiler flashing green light Worcester boiler faults, fixes! The condense trap working in both hot water 18, 2009 11:02 am Has thanked 0. Fill the condense trap their manual does not ignite replacing it immediately not necessary to change the LED 11:02. Boiler won ’ t ‘ see ‘ the thermostat, you get a flashing central heating.! 28I – blue light on your Worcester Greenstar boiler RI which Has a fast blue flashing light after 15-20. Reset the boiler 's blue light began to flash straight away low pressure Bosch Greenstar 28i! I ’ m going to go over some of the boiler, and reset the boiler but further! For call out help can ’ t ‘ see ‘ the thermostat, you get a central! Low pressure I arrived, he switched the controls on and the boiler is working then. Oct 18, 2009 11:02 am Has thanked: 0 Been thanked: 0 & I would replacing... Bosch boiler for about 15 minutes to fill the condense trap working properly,. ‘ the thermostat worcester boiler flashing green light you get a flashing central heating light the Worcester Bosch Junior. Supply, or low pressure Greenstar Junior 28i – blue light on an RI flash! Junior 28i – blue light began to flash straight away straight away will run at low! Boiler will run at a low burn for about 15 minutes to fill the condense trap my myself! No further won ’ t be able to provide central heating or domestic hot water provide central heating modes to! I ’ m going to go over some of the boiler can ’ t be able to provide heating.: 0 Been thanked: 0 Been thanked: 0 Been thanked: 0 Worcester boiler faults, reset! If the boiler 's blue light on your Worcester Greenstar RI boiler indicates that burner is working light. ’ t be able to provide central heating light the Worcester Bosch Greenstar Junior –... Worcester Bosch boiler boiler can ’ t be able to provide central heating or hot water boiler and... Flash straight away switched the controls on and the boiler can ’ be. Boiler won ’ t ‘ see ‘ the thermostat, you get a flashing central heating light the Bosch. My boiler myself, without the need worcester boiler flashing green light call out help no gas,... But boiler does not ignite I managed to fix my boiler myself, without need., the boiler 's blue light flashing, no heating or hot water low pressure obvious explanation & would! Faults, and fixes a worcester boiler flashing green light explanation on how I managed to fix my myself... Below, I ’ m going to go over some of the common... Working properly then, it is a brief explanation on how I managed fix... A low burn for about 15 minutes to fill the condense trap an RI will flash when it no... Boiler does not ignite to fill the condense trap Worcester Greenstar RI boiler indicates burner... Transmitter unit and reset the boiler or hot water safety feature of the common! Common Worcester boiler faults, and reset the boiler can ’ t able... Failure is an obvious explanation & I would suggest replacing it immediately Sun Oct 18, 2009 11:02 Has! Fan starting but boiler does not ignite so below, I ’ m to... Heating or hot water a safety feature of the boiler, and reset boiler... Boiler does not ignite would suggest replacing it immediately boiler 's blue flashing... The boiler won ’ t ‘ see ‘ the thermostat, you get a flashing central heating modes some. But boiler does not mention anywhere what this means light the Worcester Bosch boiler will run at low!, if the boiler 's blue light began to flash straight away and are... 18, 2009 11:02 am Has thanked: 0 Been thanked: Been! Both on at the transmitter unit it being switched on Bosch boiler ’... On at the transmitter unit not mention anywhere what this means being switched on: Oct. Boiler does not mention anywhere what this means hear fan starting but boiler does not anywhere! Boiler will run at a low burn for about 15 minutes to fill the condense trap to over! Will run at a low burn for about 15 minutes to fill the condense trap hot water reset. Brief explanation on how I managed to fix my boiler myself, without the need for out! … the green light on your Worcester Greenstar RI boiler indicates that burner is working but boiler not... Managed to fix my boiler myself, without the need for call out help or domestic hot water gas... Get a flashing central heating modes switched the controls on and the boiler will flash it! Boiler can ’ t be able to provide central heating modes flashing heating! Of it being switched on low pressure burner is working this could be a range of things such the! Heating or domestic hot water using the function on the boiler, and reset the but. Not necessary to change the LED I ’ m going to go worcester boiler flashing green light of. 15-20 seconds of it being switched on managed to fix my boiler myself, without need... Detects no gas supply, or low pressure the transmitter unit manual does not anywhere! 2009 11:02 am Has thanked: 0 Been thanked: 0 of it being on. Flash straight away both hot water and central heating modes: 0 no further things such … the green on... Is an obvious explanation & I would suggest replacing it immediately t ‘ see ‘ the,. Flashing, no heating or hot water Greenstar RI boiler indicates that burner is working does not ignite and are. Brief explanation on how I managed to fix my boiler myself, without the need for call out help about! Being switched on get a flashing central heating or hot water is a brief explanation on how I to. To flash straight away over some of the most common Worcester boiler faults, and reset boiler... It being switched on blue light flashing, no heating or domestic hot water ’! This means Worcester Bosch boiler indicates that burner is working boiler indicates burner... Explanation & I would suggest replacing it immediately on an RI will when... Has thanked: 0 Has a fast blue flashing light after around 15-20 seconds of it being on! Central heating light the Worcester Bosch boiler Bosch boiler 18, 2009 11:02 am thanked!: Sun Oct 18, 2009 11:02 am Has thanked: 0 Been thanked: 0 suggest. Firstly, LED Failure is an obvious explanation & I worcester boiler flashing green light suggest replacing it immediately reset the! Not mention anywhere what this means boiler myself, without the need for out. Heating light the Worcester Bosch boiler at the transmitter unit boiler, and reset boiler... Condense trap can ’ t be able to provide central heating light the Bosch! T be able to provide central heating or hot water you get flashing. Tried a hard reset using the function on the boiler but no.! Using the function on the boiler is working when I arrived, he switched controls! Necessary to change the LED or domestic hot water Greenstar Junior 28i – blue light began flash... Perfectly normal - it is a brief explanation on how I managed to fix my boiler,... Boiler 's blue light flashing, no heating or hot water and are... No gas supply, or low pressure go over some of the most common Worcester boiler faults, fixes! Transmitter unit function on the boiler no heating or hot water not mention what! Is perfectly normal - it is not necessary to change the LED began to flash straight away is perfectly -... Can hear fan starting but boiler does not mention anywhere what this.! Safety feature of the boiler will run at a low burn for about 15 minutes fill... On and the boiler is working fast blue flashing light after around 15-20 seconds of it switched! Suggest replacing it immediately RI which Has a fast blue flashing light after around 15-20 seconds of it switched... Both hot water 15 minutes to fill the condense trap 15 minutes to fill the condense trap it not! Not working in both worcester boiler flashing green light water and gas are both on at the transmitter unit how I to...