BoilerFaultCodesSime Planet Super 4 WM Fault codes & diagnostics
0 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Combi Natural Gas 1996-2006 Discontinued
GC Number 47-719-16
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Status & diagnostic codes 18 operating states & engineer diagnostics
Not faults — these are normal operating states. Tap to expand.
18 operating states & engineer diagnostics
Not faults — these are normal operating states. Tap to expand.
15 Diagnostic Your boiler is currently indicating that it has reached the pre-set temperature target for your home and is temporarily pausing its heating cycle. 51 Diagnostic Your boiler has detected that the water inside the system is getting too cold and has activated its built-in safety feature to prevent the pipes from freezing. 52 Diagnostic Your boiler is struggling to accurately detect the outdoor or system temperature required to switch between heating and hot water modes. 53 Diagnostic Your boiler's control settings are not properly configured, which is preventing the system from correctly communicating with your home's temperature sensor. 54 Diagnostic Your boiler is struggling to accurately read the outdoor temperature, which may cause your heating to turn on or off at the wrong times. 55 Diagnostic Your boiler has detected that the water inside the heating system has become too hot and has automatically shut down to prevent damage. 56 Diagnostic Your boiler is struggling to control how quickly the water temperature rises, which may lead to the system shutting down to prevent overheating. 57 Diagnostic Your boiler is currently recalibrating its internal settings to adjust for your heating system's specific requirements. 58 Diagnostic Your boiler is currently recalibrating its startup settings to improve efficiency, so it is temporarily pausing normal operation. 59 Diagnostic Your boiler is struggling to heat the water at the expected speed, likely due to a poor connection or an internal sensor failing to register the temperature increase. 60 Diagnostic Your boiler is currently in a pre-programmed standby or 'off' mode, likely because a timer setting has been reached or the internal clock is preventing it from firing. 61 Diagnostic Your boiler is struggling to reach or maintain the correct temperature for your hot water, which means your taps or shower may not get as hot as they should be. 62 Diagnostic Your boiler is struggling to detect that it has enough water inside to operate, often because the filling valve has been left open or the internal pressure is dropping. 63 Diagnostic Your boiler's settings have been accidentally locked by the internal software, preventing it from functioning normally until the programming is reset. 64 Diagnostic Your boiler has detected an issue with an external control or connection, such as a faulty room thermostat or a loose link wire, which is preventing it from firing up correctly. 65 Diagnostic Your boiler is receiving an conflicting signal from an external accessory, such as a weather sensor or an external timer, which is preventing it from firing normally. 66 Diagnostic Your boiler is struggling to read the temperature from the outdoor sensor, which is causing it to adjust your heating system incorrectly. 69 Diagnostic Your boiler is currently performing a routine self-cleaning process to ensure the hot water system remains hygienic.