Johnson Starley C16u Fault codes & diagnostics

Your boiler has disabled the reset button because it was pressed too many times in a short period, likely due to an underlying fault causing repeated lockouts.

Your boiler’s internal computer is having trouble processing signals from its electronic sensors, which has caused the system to stop working for safety.

Your boiler's internal computer parts are having trouble communicating because they are running mismatched software programs.

Your boiler is repeatedly struggling to keep the flame lit and has safely shut down to prevent damage.

Your boiler has detected a fault with the sensor that monitors air temperature within the ducting, causing it to stop running for safety.

Your boiler has lost its connection to the sensor that monitors air temperature inside the ducting, causing the system to stop working for safety.

Your heater has stopped working because its internal temperature sensor has developed an electrical fault and can no longer read the air flowing back into the unit.

Your boiler has lost its connection to a sensor that monitors the temperature of the air returning to the unit, causing it to stop operating as a safety precaution.

Your boiler has detected an electrical fault with the internal sensor that monitors exhaust gases, causing it to shut down for safety.

Your boiler has shut down because it cannot detect the sensor that monitors the temperature of the exhaust gases.

Your boiler's control panel has lost its connection to the main internal computer, causing the system to stop functioning because it cannot receive instructions.