ERROR CODES service The symbol flashes on the display monitor when the boiler detects an anomaly. 1) In the event of an anomaly that does not stop boiler operation, press the unblock key to display the error code; in the event the boiler is in stand-by, the error code appears and remains fixed on the display. 2) In the event of an anomaly that causes boiler down time, the error code flashes directly on the display. Each fault is characterised by a priority level: if two faults are detected at the same time, the code with the highest priority is displayed. The fault codes are listed below:
