It can typically be resolved by simply resetting the furnace. 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). To remove water pressure, bleed radiator valves with a bleed key. The boiler should return to normal operation once complete. BTW: it's a Worcester Bosch 35CDI (if that makes any difference). Heat exchanger blocked. According to Worcester Bosch, the EA 229 boiler fault relates to a loss of flame during operation. Aug 28, 2014 #1 Hi, My current problem is Ignition Lockout on heating - but not on hot water. 3. Sign in to follow this . Status Not open for further replies. Ignition Lockout Fault-----3 flashes with 3-second pause. I took the opportunity to do the service on the boiler and replace filter etc. Page 11: Ignition Lockout The appliance can be reset by pressing the reset button and holding in for 5 seconds. T2 . If you happen to have one of the Worcester Highflow/HE/CDI models, the ignition lockout with present itself as the EA fault code. ... Find another independent engineer who is better with Bosch boilers. Switch off your boiler during a delivery. If your Worcester boiler is leaking, this can cause low pressure and the boiler to lockout. The boiler will fire, run for around 1 min and flame will extinguish. A boiler lockout is the condition when the boiler gets shut-down and doesn’t work within the certain tolerance. trouble with your ignition lead . Reasons this could happen include: a fault with your gas valve. Ensure your boiler is serviced at least once a year. Most boilers lockout after 3 failed ignition attempts. When you turn the hot tap on it clicks as well but no ignition. This happens when the seals degrade over time, or they've been put under too much stress, such as a recent increase in flow rate on the pump. a lack of gas pressure . If ignition lockout has occurred, the fault indicator will flash slowly (approximately once per second). I agree it is odd that the fault indicated by the flashing is an ignition lockout, but the boiler has been working ok for an hour before locking out, as also mentioned in first post. Another cause of burner lockout is from contaminated oil. Last edited: Apr 29, 2016. The cheapest place to find a Worcester boiler online currently is WarmZilla — which starts at £1,649. The boiler waits 30 seconds before another attempt is made An established flame has been extinguished. The possibilities of the boiler lockout could be due to low/high water pressure, no fuel or a blockage in the system. I've got a Worcester Bosch Combi boiler, badged as a British Gas unit but have worked out is either a WB 24CDi, 28CDi or 35CDi model. And ignition lock out can be caused by overheating. KIAB, Apr 29, 2016 #10. The unit can be on for either 10 minutes or 10 hours, totally random time period, and then enters the ignition lockout state. This means that the boiler is undertaking a fan test and is therefore in test mode. Common faults behind the boiler lockout. Then lockout happens. A boiler lockout is a shut-down procedure that is initiated when a boiler is not working within certain tolerances. The boiler should return to normal operation once complete. I have a 'Worcester' 'Danesmoor utility'- 12/14- oil boiler, The burner is a 'electro oil Inter B9A. I've just drained my system to move a few radiators. Just noticed a flashing red light (which is normally static) on my boiler. If the issue persists, please contact Worcester Bosch or BOXT to take a further inspection. 4. What can cause an oil boilers burner to lockout? , head over to our article specific to Worcester boiler is undertaking an ignition and... ( fastbikes? if left awhile it will just spark and not ignite before lockout again oil. 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