Worcester Greenstar boilers indicate a problem with a prominent blue flashing light. If your boiler has a red flashing light on the display, this may mean it needs resetting. The diagnostics on the Ri are rather pathetic and usually involve the blue light flashing in a particular sequence. We have a Worcester boiler and it's not working, the blue light is on, bit the green flame shaped light keeps clicking off ... green light keeps flashing, please help (12 Posts) Add message | Report. I have 1 bathroom, 8 radiators in the house... Worcester Greenstar boiler ri blue flashing light issue. As this issue relates to gas, contact a heating engineer straight away. A blue light flashing on a Worcester RI boiler indicates there’s a problem with gas supply, flue blockages or the condensate unit. Your problem might simply be a frozen or blocked condensate pipe, this will need to be thawed and/or drained. The following table will take you through the fault finding sequence for rectifying a Worcester Bosch boiler with this fault code But the brand Worcester has maintained their reputation and standards all over the markets in an extraordinary way. I have a WB 15Ri RSF Greenstar condensing boiler (3 years old next week) and have had a couple of problems. deeboyfield Mon 08-Feb-16 21:07:56. Worcester Bosch boiler - flashing blue light? The first being the condensing pipe freezing when we had the bad weather and now it has stopped working again. The cheapest place to find a Worcester boiler online currently is WarmZilla — which starts at £1,649. Locate the reset button on your boiler – Look for a button that has a flame, flashing light, or a cross written through it. Many will also have a display containing a fault code and sometimes a numerical cause code (the most advanced will provide a written description too). The blue light on an RI will flash when it detects no gas supply, or low pressure. Worcester Bosch Fault Code EA. Reset the boiler: Flashing but mostly off: An ignition lockout: Reset the boiler: Flashing but mostly on: Heat exchanger or flue overheated: Reset the boiler: Flashing fast: Code plug or volatile lockout sensor fan: You will need to call a boiler engineer: Light off: Control board has no power This means there’s no boiler demand or there’s no power at the control board. The blue light on a Worcester Bosch boiler is typically there to highlight that the boiler has power going to it. We bought our house in December 2018 and had someone check the boiler and plumbing out and they said it was all good. If your Worcester boiler is leaking, this can cause low pressure and the boiler to lockout. Hi, Hope someone can help. Boiler Make and Model:Worcester Bosch Greenstar 30Si Compact Fault Code:A blue flashing light/warning triangle on the LCD screen. blue and red lights flushing on a worcester boiler 24i system. System behaviour. In order to reset the Greenstar CDi, press and hold … As this issue relates to gas, contact a heating engineer straight away. If that doesn’t sound like the issue, head over to our article specific to Worcester boiler faults causing no hot water. When I … 1) To begin resetting your system, you need to turn the central heating temperature knob anticlockwise to the RESET position and hold for around 5 seconds and then turn the knob back to the original temperature setting. Worcester Boiler Blue Light Flashing. If your boiler has a blue flashing light/warning triangle on the LCD display, this may mean it needs resetting. We have no hot water, what could cause this and is thee anything we can do to I reset this again (blue light now steady) but this time I waited and strangely I could hear this clicking noise, like a tapping on tin and then after about a minute the blue light went back to flashing. Hi, We recently had a radiator moved and since this, the blue light on our Worcester Greenstar 30Si is flashing fast. Reset does not help, blue light comes on solid for 10secs after reset before quickly flashing. It is minus 8 outside and we - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. I have a Worcester Greenstar 12 Ri conventional boiler. Try to reset your boiler, if the issue persists then contact Worcester Bosch or BOXT for an engineer call out. If your Worcester boiler is pre-2004, check my blog post ‘5 Common Faults and Fixes for your Faulty Worcester Boiler’ (INSERT LINK). The blue light on an RI will flash when it detects no gas supply, or low pressure. Choose Your Model of Worcester Bosch Boiler. 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. This could be a range of things such as a faulty gas valve. The hot water works fine its just when I try to switch heating on. If your house has not met the set temperature and your boiler is showing this it could be caused by a circulation problem in the system. Worcester Greenstar Ri Boiler Reset In case of a fault, you will find the blue mains indicator light to be flashing. I ask because depending on which Worcester a blue flashing light or appropriate EA code would indicate an ignition lock out. Explanation 1: Gas Supply. Slowly flashing blue light, and a flashing lockout reset button – This usually means that there is a lockout with the ignition. 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