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Ariston Boiler Error Codes

101: Overheating detected. Let the device cool down.
103 – 107: Circulation is insufficient or there’s an issue with water flow.
110: Heating sensor fault or short circuit.
112: Return sensor fault or short circuit.
114: External sensor fault or short circuit.
116: Floor heating thermostat is faulty.
1P1 – 1P3: Problems with flow, circulation, or drainage systems.
201: Hot water sensor short circuit or open circuit.
202: Low water level or sensor fault in the tank.
203: Electrical circuit short circuit or sensor fault.
204 – 205: Solar collector sensor fault or short circuit.
207: Overheating in the solar manifold.
208: Freezing in the solar manifold.
209: Overheating in the boiler section.
301 – 306: Internal issue with the PCB board.
401 – 406: Communication error between the motherboard and modem.
501 – 502: Gas valve or ignition issue.
601 – 607: Thermostat or differential pressure switch fault.
701 – 707: Faults in temperature sensors or overheating in certain zones.

If you are unable to resolve the issue using the error codes, please contact us!