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Horizon Insight News

What does ignition lockout mean?

Author

Matthew Harrington

Updated on February 27, 2026

A boiler lockout is a shut-down procedure that is initiated when a boiler is not working within certain tolerances. This could be due to low/high water pressure, lack of or no fuel supply (gas, LPG or oil), a blockage in the system or lack of power to electronic components.Click to see full answer. In this manner, what does ignition lockout mean on a furnace?Furnace Lockout Mode Reset Help. Modern day high efficiency furnaces monitor a variety of conditions before, during and after the combustion process. If the furnace is unable to achieve ignition for a call for heat, or if an unsafe condition is detected, the furnace will enter what is called “lockout mode.”Also Know, why does my Worcester boiler keep locking out? If your Worcester boiler is leaking, this can cause low pressure and the boiler to lockout. A leaking boiler will usually be due to blown pump seals. 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. Also asked, what is a hard lockout? Hard Lockout: Caused by a failure internal to the control or by a system fault such as flame out of sequence. A Hard Lockout will result in a no heat condition.What is the difference between a hard and soft lockout?A hard lockout allows a specific time for lighting or relighting. If this is exceeded it will shut down. A soft lockout allow a certain time for the lighting or relighting of the pilot or main burner.