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▶ Diagnose and remedy the locking fault. Check the complete system, including sensors and harnesses.
▶ When remedied and system checked, turn the boiler power off and on again.
▶ Fault condition 2981 will appear, the boiler is still in super lock-out.
▶ Press the up and down arrows simultaneously for 3 seconds.
▶ Immediately after 22 seconds have elapsed, perform an additional reset by pressing the up and down arrows simultaneously for 3 seconds.
▶ Super lock-out is remedied, boiler returns to normal operating condition.
▶ Fault history is now available, double check the last 10 faults to confirm the fault has been remedied