Vokera Maxin Fault codes & diagnostics

1 fault code with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Combi Natural Gas 24-28 kW 2000-2005 Discontinued

GC Numbers 47-094-2247-094-23

Replaced by: Linea

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Fault codes

All 1 documented codes

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Parts commonly replaced

Ignition electrode
Gas valve
Printed circuit board (PCB)

Status & diagnostic codes

28 operating states & engineer diagnostics

Not faults — these are normal operating states. Tap to expand.

0714 Diagnostic Your boiler is failing to detect that water is moving through the system, which prevents it from turning on your heating or hot water. 0828 Diagnostic Your boiler is struggling to detect when you turn on a hot tap, which means it is failing to heat your water properly. 0870 Diagnostic Your boiler is failing to detect that you have turned on a hot water tap, which means it will not ignite to heat your water. 4250 Diagnostic Your boiler has detected an issue with the pressure relief mechanism, which is a safety device designed to release excess water if the system pressure becomes too high. 4254 Diagnostic Your boiler has detected that air is trapped inside the system, which is preventing it from circulating heat effectively. 4931 Diagnostic Your boiler is struggling to clear leftover heat after it has finished running, which is preventing it from starting up again correctly. 5298 Diagnostic Your boiler is failing to ignite the internal flame required to produce heat or hot water. 5317 Diagnostic Your boiler is failing to ignite or keep the burner running, meaning it cannot produce heat or hot water. 5351 Diagnostic Your boiler has detected a problem with the internal part that transfers heat to your water, causing the system to shut down for safety. 5356 Diagnostic Your boiler has detected an issue with its internal heating component which is preventing it from safely warming your home or water. 5911 Diagnostic Your boiler has detected that the internal fan responsible for safely removing exhaust gases is not operating correctly, so it has shut down to prevent any risk. 6025 Diagnostic Your boiler's water pump is failing to circulate heat, which means the system cannot push hot water to your radiators or taps. 6901 Diagnostic Your boiler is having trouble controlling the gas flow required to maintain a flame, which has caused it to stop heating your water and radiators. 7070 Diagnostic Your boiler is failing to detect the necessary airflow to safely ignite, meaning it has shut down to prevent unsafe operation. 7618 Diagnostic Your boiler has detected an issue with the internal fan that pushes exhaust gases out of your home, so it has safely shut down to prevent unsafe operation. 8036 Diagnostic Your boiler has detected a problem with the internal component responsible for heating your hot water, which means the system has safely shut down to prevent further damage. 8037 Diagnostic Your boiler has detected an internal issue with the component responsible for heating your hot water, which has caused it to stop working to protect the system. 8277 Diagnostic Your boiler is unable to safely control the flow of gas needed to ignite the flame, meaning your heating and hot water will not work. 8301 Diagnostic Your boiler is failing to detect the flame correctly, so it has safely shut itself down to prevent gas from building up. 8360 Diagnostic Your boiler's internal computer is failing to communicate correctly with the system, meaning it cannot safely start the burner to provide heat or hot water. 8367 Diagnostic Your boiler has detected that it is running too hot and has automatically switched itself off to prevent potential internal damage. 8478 Diagnostic Your boiler is failing to light the flame properly because the part responsible for creating the ignition spark is not working as it should. 8484 Diagnostic Your boiler's temperature sensor is providing incorrect readings, which prevents the unit from heating your water or home safely. 8809 Diagnostic Your boiler's internal sensor is struggling to accurately read the water pressure or temperature, which may cause it to stop working to protect itself. 9266 Diagnostic Your boiler's internal pressure-balancing unit is failing, which often leads to the system losing pressure or leaking water during operation. 9763 Diagnostic Your boiler is struggling to detect water movement, which usually means the valves that allow water to flow into your radiators are closed or stuck. 9764 Diagnostic Your boiler is struggling to detect or regulate the flow of cold water entering the system, which may prevent it from heating your water correctly. 9797 Diagnostic Your boiler is signalling that the gas supply tap underneath the unit is likely turned off or is not supplying enough gas to the system.