What does the Glow-worm Energy E119 fault code mean? The E119 fault code indicates that the boiler is experiencing low water pressure, which can prevent it from operating efficiently or safely. This issue typically requires attention to restore proper functionality. Common Causes Low Water Pressure: This can occur due to leaks in the system or … Read more
What does the Glow-worm Energy F100 fault code mean? The F100 fault code indicates a communication fault within the central heating (CH) system of the Glow-worm Energy boiler. This typically suggests that there is a problem with the communication between the boiler and the heating controls or components. Common Causes Wiring Issues: Damaged or loose … Read more
What does the Glow-worm Energy F22 fault code mean? The F22 fault code on a Glow-worm Energy boiler indicates a dry fire condition or low water pressure within the system. This typically means that the boiler is unable to detect sufficient water flow, which can lead to overheating and potential damage. Common Causes Low Water … Read more
What does the Glow-worm Energy F23 fault code mean? The F23 fault code indicates a flame failure in the Glow-worm Energy boiler, meaning the appliance is unable to detect a flame when it attempts to ignite. This can lead to the boiler shutting down to prevent unsafe operation. Common Causes Blocked Flue: A blockage in … Read more
What does the Glow-worm Energy F24 fault code mean? The F24 fault code on the Glow-worm Energy boiler indicates an overheating issue, which can lead to potential damage if not addressed promptly. This fault typically occurs when the boiler’s temperature exceeds safe operating limits, triggering a safety mechanism to prevent further overheating. Common Causes Blocked … Read more
What does the Glow-worm Energy F25 fault code mean? The F25 fault code on a Glow-worm Energy boiler indicates an ignition failure, meaning the boiler is unable to ignite the gas to start the heating process. This can lead to a lack of hot water and heating in your home. Common Causes Blocked Flue: A … Read more
What does the Glow-worm Energy F26 fault code mean? The F26 fault code on a Glow-worm Energy boiler indicates a fan fault, which typically means that the fan is not operating correctly or is not detected by the boiler’s control system. This can lead to issues with combustion and overall boiler performance. Common Causes Blocked … Read more
What does the Glow-worm Energy F27 fault code mean? The F27 fault code on the Glow-worm Energy boiler indicates a water flow fault, which typically means that the boiler is not receiving adequate water flow to operate efficiently. This can lead to overheating and potential damage if not addressed promptly. Common Causes Blocked Filter: A … Read more
What does the Glow-worm Energy F28 fault code mean? The F28 fault code on a Glow-worm Energy boiler indicates a failure to ignite, which can prevent the boiler from heating water or providing central heating. This issue typically arises due to problems with the gas supply, ignition components, or safety devices. Common Causes Gas Supply … Read more
What does the Glow-worm Energy F29 fault code mean? The F29 fault code on the Glow-worm Energy boiler indicates a flame detection fault, meaning the boiler is unable to detect a flame when it should be firing. This can prevent the boiler from operating safely and efficiently. Common Causes Faulty Flame Sensor: The flame sensor … Read more
What does the Glow-worm Energy F30 fault code mean? The F30 fault code on a Glow-worm Energy boiler indicates a thermistor fault, which typically means that the temperature sensor is malfunctioning or has failed. This can lead to incorrect temperature readings and affect the boiler’s operation. Common Causes Faulty Thermistor: The thermistor may be damaged … Read more
What does the Glow-worm Energy F31 fault code mean? The F31 fault code on a Glow-worm Energy boiler indicates a gas valve fault, which typically means the boiler is unable to regulate the gas supply properly. This can lead to issues with ignition or maintaining the desired temperature. Common Causes Faulty Gas Valve: The gas … Read more
What does the Glow-worm Energy F32 fault code mean? The F32 fault code on a Glow-worm Energy boiler indicates a pump fault, which typically means that the central heating pump is not functioning correctly. This can lead to inadequate circulation of water within the heating system, resulting in heating issues. Common Causes Blocked Pump: Debris … Read more
What does the Glow-worm Energy F33 fault code mean? The F33 fault code on the Glow-worm Energy boiler indicates a high temperature fault, which typically means that the boiler is overheating. This can lead to safety mechanisms activating to prevent damage or hazards. Common Causes Blocked Heat Exchanger: A build-up of debris or limescale can … Read more
What does the Glow-worm Energy F34 fault code mean? The F34 fault code indicates a low temperature fault in the Glow-worm Energy boiler, which typically suggests that the return water temperature is lower than expected. This can lead to inefficient operation and potential damage if not addressed promptly. Common Causes Insufficient Water Flow: Blockages or … Read more
What does the Glow-worm Energy F35 fault code mean? The F35 fault code on a Glow-worm Energy boiler indicates an electrical fault, which may involve issues with the boiler’s internal wiring or components. This fault can prevent the boiler from operating correctly and requires immediate attention. Common Causes Wiring Issues: Damaged or loose wiring connections … Read more
What does the Glow-worm Energy F36 fault code mean? The F36 fault code on a Glow-worm Energy boiler indicates a fault with the printed circuit board (PCB). This issue can disrupt the boiler’s operation, leading to heating and hot water failures. Common Causes Electrical Short Circuit: A short circuit within the PCB can cause it … Read more
What does the Glow-worm Energy F37 fault code mean? The F37 fault code on a Glow-worm Energy boiler indicates a sensor fault, typically related to the temperature or pressure sensors within the system. This fault can prevent the boiler from operating efficiently or safely, requiring attention to restore functionality. Common Causes Faulty Temperature Sensor: A … Read more
What does the Glow-worm Energy F38 fault code mean? The F38 fault code on the Glow-worm Energy boiler indicates a flue gas fault, which typically means there is an issue with the flue system that is preventing proper venting of combustion gases. This can lead to unsafe operating conditions and requires immediate attention. Common Causes … Read more
What does the Glow-worm Energy F39 fault code mean? The F39 fault code indicates a system pressure fault, which typically means that the boiler’s water pressure is either too low or too high. This can lead to inefficient operation or potential damage to the system if not addressed promptly. Common Causes Low Water Pressure: This … Read more
What does the Glow-worm Energy F40 fault code mean? The F40 fault code on a Glow-worm Energy boiler indicates a fault with the domestic hot water (DHW) sensor. This typically means that the sensor is either malfunctioning or has failed, preventing the boiler from properly regulating hot water temperature. Common Causes Faulty DHW Sensor: The … Read more
What does the Glow-worm Energy F41 fault code mean? The F41 fault code indicates a fault with the central heating (CH) sensor in the Glow-worm Energy boiler. This sensor is responsible for monitoring the temperature of the water in the heating system, and a fault may prevent the boiler from operating correctly. Common Causes Faulty … Read more
What does the Glow-worm Energy F42 fault code mean? The F42 fault code indicates a domestic hot water (DHW) flow fault in the Glow-worm Energy boiler. This typically means that the boiler is unable to detect the required flow of water needed to heat the hot water supply. Common Causes Blocked DHW Flow Sensor: A … Read more
What does the Glow-worm Energy F43 fault code mean? The F43 fault code on a Glow-worm Energy boiler indicates a central heating (CH) flow fault, which typically suggests that there is an issue with the flow of water through the heating system. This can lead to inadequate heating and may require immediate attention to prevent … Read more
What does the Glow-worm Energy F44 fault code mean? The F44 fault code on the Glow-worm Energy boiler indicates a domestic hot water (DHW) temperature fault. This typically means that the boiler is unable to achieve or maintain the desired temperature for hot water delivery. Common Causes Faulty DHW Sensor: The sensor that monitors the … Read more
What does the Glow-worm Energy F45 fault code mean? The F45 fault code on the Glow-worm Energy boiler indicates a central heating (CH) temperature fault, which suggests that the boiler is unable to maintain the desired temperature in the heating system. This can lead to inadequate heating performance and may require immediate attention. Common Causes … Read more
What does the Glow-worm Energy F46 fault code mean? The F46 fault code indicates a domestic hot water (DHW) overheat condition in the Glow-worm Energy boiler. This safety feature activates when the temperature of the water exceeds safe limits, preventing potential damage or hazards. Common Causes Faulty Thermistor: A malfunctioning thermistor may incorrectly read the … Read more
What does the Glow-worm Energy F47 fault code mean? The F47 fault code indicates a central heating (CH) overheat condition in the Glow-worm Energy boiler. This safety feature activates to prevent damage to the system by shutting down the boiler when it detects excessive temperatures. Common Causes Blocked Heat Exchanger: A buildup of debris or … Read more
What does the Glow-worm Energy F48 fault code mean? The F48 fault code indicates a flue blockage in the Glow-worm Energy boiler. This blockage can prevent the safe expulsion of combustion gases, posing a risk to the boiler’s operation and safety. Common Causes Blocked Flue Pipe: Debris, such as leaves or bird nests, can obstruct … Read more
What does the Glow-worm Energy F49 fault code mean? The F49 fault code on the Glow-worm Energy boiler indicates a flue gas temperature fault, which suggests that the boiler is unable to detect the correct temperature of the flue gases. This can lead to inefficient operation and potential safety hazards if not addressed promptly. Common … Read more
What does the Glow-worm Energy F50 fault code mean? The F50 fault code on a Glow-worm Energy boiler indicates that a system leak has been detected. This typically means that the boiler has identified a drop in pressure due to water escaping from the system. Common Causes Leak in the system: This could be due … Read more
What does the Glow-worm Energy F51 fault code mean? The F51 fault code indicates that the boiler has detected a leak in the domestic hot water (DHW) system. This can lead to reduced efficiency and potential damage if not addressed promptly. Common Causes Leak in DHW pipework: A physical leak in the pipes supplying hot … Read more
What does the Glow-worm Energy F52 fault code mean? The F52 fault code on a Glow-worm Energy boiler indicates that a leak has been detected in the central heating (CH) system. This can lead to insufficient heating and potential damage if not addressed promptly. Common Causes Leak in the CH system: A physical leak in … Read more
What does the Glow-worm Energy F53 fault code mean? The F53 fault code indicates a domestic hot water (DHW) pressure fault in the Glow-worm Energy boiler. This typically means that the boiler is unable to maintain the required pressure for hot water delivery, which can lead to inadequate heating performance. Common Causes Low Water Pressure: … Read more
What does the Glow-worm Energy F54 fault code mean? The F54 fault code on a Glow-worm Energy boiler indicates a central heating (CH) pressure fault, typically meaning that the system pressure is too low for the boiler to operate safely. This can lead to insufficient heating and may require immediate attention to restore proper function. … Read more
What does the Glow-worm Energy F55 fault code mean? The F55 fault code indicates a problem with the domestic hot water (DHW) flow switch in the Glow-worm Energy boiler. This fault typically means that the boiler is unable to detect water flow, which can prevent it from heating water properly. Common Causes Blocked Flow Switch: … Read more
What does the Glow-worm Energy F56 fault code mean? The F56 fault code indicates a problem with the central heating (CH) flow switch, which is responsible for detecting the flow of water through the heating system. When this fault occurs, the boiler may not operate correctly, leading to heating issues. Common Causes Blocked Flow Switch: … Read more
What does the Glow-worm Energy F57 fault code mean? The F57 fault code indicates a fault with the domestic hot water (DHW) pump in the Glow-worm Energy boiler. This issue can prevent the boiler from effectively circulating hot water, leading to inadequate hot water supply. Common Causes Blocked DHW Pump: Debris or scale buildup can … Read more
What does the Glow-worm Energy F58 fault code mean? The F58 fault code indicates a central heating (CH) pump fault in the Glow-worm Energy boiler. This typically means that the pump is either not operating correctly or has failed, preventing the circulation of hot water through the heating system. Common Causes Blocked Pump: Debris or … Read more
What does the Glow-worm Energy F59 fault code mean? The F59 fault code on the Glow-worm Energy boiler indicates a fault with the domestic hot water (DHW) valve. This issue typically prevents the boiler from supplying hot water effectively. Common Causes Faulty DHW Valve: The valve may be stuck or malfunctioning, preventing proper operation. Electrical … Read more
What does the Glow-worm Energy F60 fault code mean? The F60 fault code on a Glow-worm Energy boiler indicates a fault with the central heating (CH) valve. This typically means that the valve is either stuck or not functioning correctly, preventing proper flow of hot water to the heating system. Common Causes Stuck Valve: The … Read more
What does the Glow-worm Energy F61 fault code mean? The F61 fault code on the Glow-worm Energy boiler indicates a domestic hot water (DHW) control fault. This typically means there is an issue with the boiler’s ability to manage the hot water supply, which may affect performance and efficiency. Common Causes Faulty DHW Sensor: A … Read more
What does the Glow-worm Energy F62 fault code mean? The F62 fault code on the Glow-worm Energy boiler indicates a central heating (CH) control fault. This typically means there is an issue with the boiler’s ability to regulate the heating system effectively. Common Causes Faulty PCB: The printed circuit board (PCB) may be malfunctioning, leading … Read more
What does the Glow-worm Energy F63 fault code mean? The F63 fault code on the Glow-worm Energy boiler indicates a fault with the domestic hot water (DHW) thermostat. This issue typically prevents the boiler from heating water effectively, leading to inadequate hot water supply. Common Causes Faulty DHW Thermostat: The thermostat may be malfunctioning or … Read more
What does the Glow-worm Energy F64 fault code mean? The F64 fault code on a Glow-worm Energy boiler indicates a fault with the central heating (CH) thermostat. This typically means that the thermostat is not communicating properly with the boiler, which can prevent the heating system from functioning correctly. Common Causes Faulty Thermostat: The thermostat … Read more
What does the Glow-worm Energy F65 fault code mean? The F65 fault code indicates a problem with the domestic hot water (DHW) pressure switch in the Glow-worm Energy boiler. This fault typically means that the pressure switch is either not detecting the correct water pressure or is malfunctioning, preventing the boiler from heating water properly. … Read more
What does the Glow-worm Energy F66 fault code mean? The F66 fault code indicates a problem with the central heating (CH) pressure switch, which is responsible for monitoring the pressure within the system. This fault typically suggests that the pressure is either too low or the switch itself is malfunctioning. Common Causes Low Water Pressure: … Read more
What does the Glow-worm Energy F67 fault code mean? The F67 fault code on the Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) temperature switch. This fault suggests that the boiler is unable to accurately detect or regulate the temperature of the hot water being produced. Common Causes Faulty Temperature Switch: … Read more
What does the Glow-worm Energy F68 fault code mean? The F68 fault code indicates a problem with the central heating (CH) temperature switch, which may be malfunctioning or not detecting the correct temperature. This can prevent the boiler from operating efficiently and may lead to heating issues in your home. Common Causes Faulty Temperature Sensor: … Read more
What does the Glow-worm Energy F69 fault code mean? The F69 fault code indicates a problem with the domestic hot water (DHW) flow rate in the Glow-worm Energy boiler. This typically means that the boiler is unable to detect the required flow of water, which can lead to insufficient hot water supply. Common Causes Blocked … Read more
What does the Glow-worm Energy F70 fault code mean? The F70 fault code on the Glow-worm Energy boiler indicates a central heating (CH) flow rate fault, which suggests that the flow of water through the heating system is insufficient. This can lead to inadequate heating performance and may require immediate attention to prevent further issues. … Read more
What does the Glow-worm Energy F71 fault code mean? The F71 fault code indicates a problem with the domestic hot water (DHW) return temperature, suggesting that the return water temperature is outside the expected range. This can lead to inefficient heating and potential system damage if not addressed promptly. Common Causes Blocked Heat Exchanger: A … Read more
What does the Glow-worm Energy F72 fault code mean? The F72 fault code on a Glow-worm Energy boiler indicates a problem with the central heating (CH) return temperature. This typically means that the return water temperature is either too low or not being detected correctly, which can affect the boiler’s efficiency and operation. Common Causes … Read more
What does the Glow-worm Energy F73 fault code mean? The F73 fault code indicates a problem with the domestic hot water (DHW) supply temperature, suggesting that the boiler is unable to heat the water to the required temperature. This can lead to insufficient hot water for taps and showers. Common Causes Faulty DHW Sensor: The … Read more
What does the Glow-worm Energy F74 fault code mean? The F74 fault code indicates a problem with the central heating (CH) supply temperature, suggesting that the boiler is unable to reach or maintain the desired temperature for the heating system. This can lead to inadequate heating performance in the property. Common Causes Faulty Temperature Sensor: … Read more
What does the Glow-worm Energy F75 fault code mean? The F75 fault code on a Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) mixing valve. This fault typically arises when the valve is stuck or not functioning correctly, leading to issues with hot water delivery. Common Causes Stuck Mixing Valve: The … Read more
What does the Glow-worm Energy F76 fault code mean? The F76 fault code indicates a problem with the central heating (CH) mixing valve in the Glow-worm Energy boiler. This fault typically suggests that the mixing valve is either stuck or not functioning correctly, affecting the heating system’s performance. Common Causes Stuck Mixing Valve: The valve … Read more
What does the Glow-worm Energy F77 fault code mean? The F77 fault code on the Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) diverter valve. This fault typically means that the diverter valve is either stuck or malfunctioning, preventing the proper flow of hot water. Common Causes Stuck Diverter Valve: Debris … Read more
What does the Glow-worm Energy F78 fault code mean? The F78 fault code on a Glow-worm Energy boiler indicates a problem with the central heating (CH) diverter valve. This component is responsible for directing hot water to either the heating system or the hot water supply, and a fault can disrupt heating and hot water … Read more
What does the Glow-worm Energy F79 fault code mean? The F79 fault code on the Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) expansion vessel. This fault typically arises when the vessel is either waterlogged or has lost its pre-charge pressure, affecting the boiler’s ability to maintain hot water pressure. Common … Read more
What does the Glow-worm Energy F80 fault code mean? The F80 fault code on a Glow-worm Energy boiler indicates a problem with the central heating (CH) expansion vessel. This issue typically arises when the vessel is either waterlogged or has lost its pre-charge pressure, affecting the boiler’s ability to maintain proper pressure levels. Common Causes … Read more
What does the Glow-worm Energy F81 fault code mean? The F81 fault code indicates a problem with the domestic hot water (DHW) pressure relief valve in the Glow-worm Energy boiler. This fault may prevent the boiler from supplying hot water effectively and could lead to safety issues if not addressed. Common Causes Faulty Pressure Relief … Read more
What does the Glow-worm Energy F82 fault code mean? The F82 fault code on a Glow-worm Energy boiler indicates a problem with the central heating (CH) pressure relief valve. This typically means that the valve is either leaking or has failed, which can lead to pressure issues within the system. Common Causes Faulty Pressure Relief … Read more
What does the Glow-worm Energy F83 fault code mean? The F83 fault code indicates a problem with the domestic hot water (DHW) air vent in the Glow-worm Energy boiler. This issue can prevent the boiler from properly venting air, which may affect its ability to heat water efficiently. Common Causes Blocked Air Vent: A blockage … Read more
What does the Glow-worm Energy F84 fault code mean? The F84 fault code indicates an issue with the central heating (CH) air vent, which may be preventing proper circulation of water in the system. This can lead to heating inefficiencies or complete system failure if not addressed. Common Causes Blocked Air Vent: Debris or sludge … Read more
What does the Glow-worm Energy F85 fault code mean? The F85 fault code on the Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) condensate system. This typically means that the condensate is not being properly drained, which can lead to operational issues with the boiler. Common Causes Blocked Condensate Pipe: A … Read more
What does the Glow-worm Energy F86 fault code mean? The F86 fault code on the Glow-worm Energy boiler indicates a condensate fault, typically related to the condensate pipe being blocked or frozen. This prevents the proper drainage of condensate water, leading to operational issues. Common Causes Blocked Condensate Pipe: Debris or sludge can accumulate in … Read more
What does the Glow-worm Energy F87 fault code mean? The F87 fault code on a Glow-worm Energy boiler indicates a domestic hot water (DHW) combustion fault. This typically means that the boiler is unable to ignite or maintain combustion for the hot water supply. Common Causes Blocked Flue: A blockage in the flue system can … Read more
What does the Glow-worm Energy F88 fault code mean? The F88 fault code on the Glow-worm Energy boiler indicates a central heating combustion fault, which typically means the boiler is unable to ignite or maintain combustion. This can lead to a lack of heating and hot water in the system. Common Causes Insufficient Gas Supply: … Read more
What does the Glow-worm Energy F89 fault code mean? The F89 fault code on the Glow-worm Energy boiler indicates a domestic hot water (DHW) ignition fault. This typically means that the boiler is unable to ignite the burner for hot water production, which can lead to a lack of hot water supply. Common Causes Blocked … Read more
What does the Glow-worm Energy F90 fault code mean? The F90 fault code on a Glow-worm Energy boiler indicates a central heating ignition fault. This typically means that the boiler is unable to ignite the burner, preventing it from providing heat to the system. Common Causes Blocked Flue: A blockage in the flue system can … Read more
What does the Glow-worm Energy F91 fault code mean? The F91 fault code on the Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) flame, suggesting that the boiler is unable to establish or maintain a flame for heating water. This can lead to a lack of hot water supply in your … Read more
What does the Glow-worm Energy F92 fault code mean? The F92 fault code indicates a central heating flame fault, which means the boiler is unable to detect a flame during operation. This can lead to the boiler shutting down to prevent unsafe conditions. Common Causes Flame Sensor Issue: A faulty or dirty flame sensor may … Read more
What does the Glow-worm Energy F93 fault code mean? The F93 fault code on the Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) gas supply. This issue can prevent the boiler from heating water effectively, leading to a lack of hot water in the system. Common Causes Blocked Gas Supply: A … Read more
What does the Glow-worm Energy F94 fault code mean? The F94 fault code on a Glow-worm Energy boiler indicates a central heating gas supply fault. This typically means that the boiler is not receiving the necessary gas supply to operate the heating system effectively. Common Causes Blocked Gas Supply: A blockage in the gas supply … Read more
What does the Glow-worm Energy F95 fault code mean? The F95 fault code on the Glow-worm Energy boiler indicates a domestic hot water (DHW) electrical fault. This typically suggests an issue with the electrical components responsible for heating the water, which may affect the boiler’s ability to provide hot water. Common Causes Wiring Issues: Damaged … Read more
What does the Glow-worm Energy F96 fault code mean? The F96 fault code on the Glow-worm Energy boiler indicates a central heating (CH) electrical fault. This typically points to an issue with the electrical components or wiring associated with the heating system. Common Causes Wiring Issues: Damaged or loose wiring connections can disrupt the electrical … Read more
What does the Glow-worm Energy F97 fault code mean? The F97 fault code indicates a fault with the domestic hot water (DHW) control board in the Glow-worm Energy boiler. This issue can prevent the boiler from properly regulating hot water supply, leading to inconsistent or no hot water availability. Common Causes Faulty DHW Control Board: … Read more
What does the Glow-worm Energy F98 fault code mean? The F98 fault code on the Glow-worm Energy boiler indicates a fault with the central heating (CH) control board. This typically means that the control board is not functioning correctly, which can prevent the boiler from operating as intended. Common Causes Electrical Issue: A short circuit … Read more
What does the Glow-worm Energy F99 fault code mean? The F99 fault code on the Glow-worm Energy boiler indicates a communication fault related to the domestic hot water (DHW) system. This typically suggests that there is a failure in the communication between the boiler’s control board and the DHW sensor or component. Common Causes Faulty … Read more