Fault Code	Possible Cause
A1	Little or no water in the system – check pressure gauge and repressurise to 1 bar.
C1	Fan has stopped
EA	No flame is detected. The boiler will block during 4 attempts before going to Locking fault
EF	The boiler is operating at minimum burner load and there is a greater than 18°C Flow & Return temperature difference
No Code	Air lock or reduced water content – check pressure gauge and repressurise to 1 bar
260	Sensor disconnected or no water content – check pressure gauge and repressurise to 1 bar

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