Johnson Starley C16d Fault codes & diagnostics

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

Your boiler's internal computer chips are failing to communicate correctly because of a software conflict or a hardware memory error.

Your boiler is struggling to keep its flame lit and has shut down for safety after failing to stay ignited five times in a row.

Your boiler has stopped working because it has detected an electrical fault with the internal sensor that monitors air temperature.

Your boiler has lost its connection to the sensor that monitors air temperature, preventing it from heating up safely.

Your boiler is not receiving enough electrical power from your home's supply to operate safely.

Your boiler has detected an electrical fault with the internal sensor that monitors the temperature of the air returning to the unit, causing it to shut down for safety.

Your boiler has detected a technical fault with the sensor that monitors exhaust gases, causing the system to shut down for safety.

Your boiler has stopped working because it cannot detect the temperature of the exhaust gases, causing it to shut down for safety.

Your heater is getting too hot because the air cannot flow through the system properly, causing it to shut down for safety.

Your boiler's internal fan is spinning at the wrong speed, preventing the heater from starting safely.

Your boiler has shut down because the air in your heating ducts is getting too hot, which can happen if air isn't flowing freely through your home.

Your heater has detected that the air returning to the unit is too hot, causing it to shut down to prevent overheating.

Your boiler's main internal computer has developed a malfunction and is unable to manage the heating process correctly.

Your boiler's internal computer has encountered a critical error and can no longer control the heating system safely.

Your boiler has detected that the electricity supply coming from the mains is too low for it to operate safely, causing it to temporarily shut down.

Your boiler's main internal computer has developed a malfunction and is unable to communicate with the rest of the unit.

Your boiler's main internal computer has developed a technical fault and can no longer control the heating process safely.

Your boiler’s internal computer has encountered a critical error and can no longer control the heating process safely.

Your boiler is waiting for the ventilation fan to spin up before it can safely light the burner, but it hasn't detected any movement yet.

Your boiler is failing to light the gas flame, meaning it cannot provide heating or hot water.

Your boiler thinks it sees a flame even though it hasn't started the ignition process yet, which prevents it from firing up for safety.

Your boiler has shut down because it detected that it was getting too hot, and it has locked itself for safety.

Your boiler’s internal computer has encountered a critical communication error and cannot operate safely.

Your boiler's main internal computer has developed a technical fault and can no longer communicate with the rest of the system.

Your heater has detected a technical fault with its internal temperature sensor and has stopped running for safety.

Your heater has stopped working because it cannot correctly measure the temperature of the air flowing through the system.

Your boiler has stopped working because it isn't receiving enough electrical power from your home's mains supply.

Your boiler is struggling to detect a stable electrical supply from the power grid, which prevents it from operating safely.

Your boiler's internal computer has encountered a memory or processing glitch and cannot operate safely.

Your boiler’s internal computer has encountered a critical error and can no longer communicate with the heating system.

Your boiler's internal computer has encountered a critical error and can no longer communicate with the heating system.

Your boiler’s computer brain has encountered an internal logic error and can no longer safely operate the appliance.

Your boiler’s internal computer has encountered a software or hardware failure and can no longer control the heating process safely.

Your boiler's computer brain has encountered a serious internal error and can no longer control the heating process safely.

Your boiler has lost its connection to the sensor that monitors the temperature of the air returning to the unit, causing it to stop running for safety.

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

Your boiler has shut down because it can no longer detect the temperature of the exhaust fumes, preventing it from operating safely.

Your boiler has sensed that the exhaust gases are getting too hot and has shut down to prevent internal damage.

Your boiler has detected that the fan responsible for clearing exhaust fumes is spinning at the wrong speed, causing the system to shut down for safety.

Your boiler's computer brain has encountered an internal software or hardware glitch and cannot function safely.

Your boiler has stopped working because the internal fan that moves air for the burner is not spinning at the correct speed.