Please choose the appropriate number from the options below:
01 Boiler lockout condition (Please note this is a thorough and lengthy investigation into possible ignition lockout causes)
02 Flame detected after burner shutdown
03 Overheat temperature protection
04 or 07 F07 repeated 3 times in 24 hours
05 No frequency feedback from fan after 1 hour
06 Burner shutdown 6x in 4 minutes
08 or 09 CH flow over temperature condition
10 No 1 flow temperature sensor error
11 Return temperature sensor error
12 DHW sensor error
13 Flue gas temperature sensor error
14 No 2 flow temperature sensor error
15 Incorrect frequency feedback from fan