Observation:

Please select from the appropriate fault code below:
A1 Boiler lockout condition
A2 Flame detected after burner shutdown
A3 Overheat temperature protection
A4 F07 repeated 3 times in 24 hours
A5 No frequency feedback from fan after 1 hour
A6 Burner shutdown 6x in 4 minutes
A23 Not for UK market
A24 Not for UK market
A25 F36 repeated 3 times in 24 hours
A26 F21 repeated 3 times in 24 hours
A41 Poor circulation
A42 Flow sensor No 1 & No 2 differential too high
A62 Gas valve fault