Vaillant Turbomax Plus Boilers

This indicates a problem with the flow Negative Temperature Coefficient (NTC) thermostat cable in your Turbomax Plus boiler. The cable may be defective, broken, or have a faulty connection.

These codes collectively indicate a fault with one or more NTC (Negative Temperature Coefficient) sensors in the Ecomax Pro 828E boiler, which are critical for temperature measurement.

This code indicates a problem with the flow NTC (Negative Temperature Coefficient) feed temperature sensor in your Turbomax Plus boiler. It suggests a faulty connection or an open circuit in the sensor's wiring.

This indicates a problem preventing the EcoMax Pro boiler from igniting. Possible causes include an insufficient gas supply, an issue with the ignition system, or a fault in the flue.

This error code signifies a general problem with the EcoMax Pro boiler's ignition system, meaning it's unable to light the burner.

This indicates that your EcoMax Pro boiler system has detected and shut down due to excessively high temperatures.

This indicates a specific fault with the flow NTC (Negative Temperature Coefficient) sensor in your EcoMax Pro boiler, which is responsible for measuring the temperature of water leaving the boiler.

This indicates a short circuit within the feed temperature sensor (NTC) in your Turbomax Plus boiler. This fault can prevent the boiler from correctly sensing the system's temperature.

This code signifies that there is a blockage within the Ecomax Pro 828E boiler appliance itself, impeding the normal circulation of water through the system.

This indicates a blockage within the Ecomax Pro 828E boiler that is negatively impacting the overall pressure of your heating system.

This code suggests that a lack of water in the Ecomax Pro 828E system has led to a blockage or prevented proper operation within the boiler appliance.

This fault indicates an issue with the electrical polarity of your EcoMax Pro boiler system, which needs to be corrected for safe and proper operation.

Your Turbomax Plus boiler has reached an dangerously high temperature, likely detected by the feed temperature sensor. The system has automatically shut down to prevent damage and requires cooling.

This indicates that the Ecomax Pro 828E boiler's pilot flame has gone out or failed to light, preventing the main burner from igniting.

This fault code indicates that the Ecomax Pro 828E boiler has detected a critically low water level or pressure within your heating system.

This fault points to a problem with the EcoMax Pro boiler's pump, which could be anything from a complete failure, an overrun condition, or air trapped within the system preventing proper water circulation.

The boiler failed to ignite. This could be due to a lack of gas supply, a fault with the ignition components, or, as a common issue, a frozen condensate pipe.

This indicates that the burner flame, or pilot light, has gone out while the boiler was operating. This can be caused by problems with the gas supply, the flue system, or a frozen condensate pipe.

This fault indicates a problem with the electrical control of the gas valve in your Turbomax Plus boiler. It could be due to a short circuit in the wiring connecting to the gas valve, or a fault within the gas valve assembly itself or the electronic control system.

This fault indicates a problem with the electrical control of the gas valve in your Turbomax Plus boiler. It could be due to a short circuit in the wiring connecting to the gas valve, or a fault within the gas valve assembly itself or the electronic control system.

This indicates a problem with the Turbomax Plus boiler's gas valve's ability to close properly. This could potentially lead to the boiler exceeding its maximum safe temperature, causing a shutdown.

This code signifies an internal electronic error within your Turbomax Plus boiler's EEPROM (Electrically Erasable Programmable Read-Only Memory). This is a core electronic component.

This error indicates a general electronic system fault in your Turbomax Plus boiler, specifically mentioning a potential short circuit in the flow or return NTC (temperature) sensors or a wider electronic issue.

The Turbomax Plus boiler's internal electronics are reporting an excessively high temperature. This could be due to an external heat source affecting the boiler or an electrical fault within the system itself.

This code indicates an electronic malfunction related to the Turbomax Plus boiler's flame detection system. This can prevent the boiler from igniting or maintaining a flame.

This status indicates that the EcoTEC 65kW boiler is not currently receiving a demand for heating from your thermostat or controls, but there may be an underlying issue preventing a normal heat demand.

This indicates an error within the heating mode where no demand for heat is being registered in your EcoTEC Pro / EcoTEC Plus boiler. This can be caused by control settings or a fault preventing the demand from being sent.

This indicates a problem during the initial phase of the EcoTEC Pro / EcoTEC Plus boiler's fan starting up when operating in heating mode.

This indicates a problem with the EcoTEC 65kW boiler's internal fan during its start-up sequence. The fan is crucial for safely expelling combustion gases.

This code suggests an error related to the water pump operating in heating mode in your EcoTEC Pro / EcoTEC Plus boiler, possibly indicating it's not circulating water effectively or is running when it shouldn't be.

This code signifies an issue with the flow of water being circulated by the EcoTEC 65kW boiler's pump, indicating it might not be moving water correctly through the system.

This error indicates a failure within the EcoTEC Pro / EcoTEC Plus boiler's ignition sequence when attempting to light the burner for heating.

This error indicates that the EcoTEC 65kW boiler is experiencing a problem igniting the burner while in heating mode.

This is a normal status message indicating that the EcoTEC Pro / EcoTEC Plus boiler's burner has successfully ignited and is actively producing heat for the central heating system.

This indicates an error related to the EcoTEC 65kW boiler's burner being active in heating mode, possibly signaling an unexpected state or issue during its operation.

This error indicates that the EcoTEC Pro / EcoTEC Plus boiler's fan continues to run for an unusually long time or unexpectedly after the heating cycle has completed.

This error indicates that the EcoTEC 65kW boiler's fan is running for an extended or unexpected period after the burner has shut down in heating mode.

This error indicates that the EcoTEC Pro / EcoTEC Plus boiler's central heating pump is running for an extended or unexpected period after the heating demand has ceased.

This error indicates that the EcoTEC 65kW boiler's pump is running for an extended or unexpected period after the burner has shut down in heating mode.

This is a status message indicating the EcoTEC Pro / EcoTEC Plus boiler's heating function is temporarily inactive for a specified duration, often as part of its normal operating cycle or safety protocol.

This is typically a status message indicating the EcoTEC 65kW boiler's heating function is temporarily paused for a set duration, often due to a safety feature or system cycle.

This is a status message indicating that the EcoTEC Pro / EcoTEC Plus boiler has detected a demand for domestic hot water (DHW) through its impeller flow sensor. This is normal operation when a hot tap is opened.

This error indicates a problem with the EcoTEC Pro / EcoTEC Plus boiler's fan during its start-up sequence when operating in domestic hot water (DHW) mode.

This error indicates a failure within the EcoTEC Pro / EcoTEC Plus boiler's ignition system when attempting to light the burner for domestic hot water production.

This error suggests a problem with the fan sensor in the EcoTEC Pro / EcoTEC Plus boiler during a domestic hot water (DHW) demand. The fan is critical for safe operation and proper combustion.

This indicates that both the pump and fan in your EcoTEC Pro / EcoTEC Plus boiler are running for an extended or unexpected period after a domestic hot water (DHW) demand has ceased.

This error indicates that the EcoTEC Pro / EcoTEC Plus boiler's fan continues to run for an unusually long time or unexpectedly after the domestic hot water (DHW) cycle has completed.

This error indicates that the EcoTEC Pro / EcoTEC Plus boiler's domestic hot water (DHW) pump is running for an extended or unexpected period after the hot water demand has ceased.

This is a normal status message indicating that the EcoTEC Pro / EcoTEC Plus boiler's burner has successfully ignited and is actively producing domestic hot water.

This error indicates a problem during the initial phase of the EcoTEC Pro / EcoTEC Plus boiler's fan starting up when operating for domestic hot water (DHW) production.

This indicates an issue with the pump responsible for circulating water for domestic hot water (DHW) production in the EcoTEC 65kW boiler, suggesting problems with water flow.

This is a status message indicating that the EcoTEC 65kW boiler's burner is actively engaged in producing domestic hot water. This is generally a normal operational message.

This status indicates that the EcoTEC 65kW boiler is currently set to 'Summer Mode' and therefore will not provide central heating. It will only operate for hot water demands.

This indicates a problem with the EcoTEC 65kW boiler's frost protection function in heating mode, which is designed to prevent pipes from freezing in cold weather.

This is a service message indicating an issue with the quantity of water being circulated in the EcoTEC 65kW system, potentially requiring attention during a service.