What the manual says
Manufacturer manualTemporary shutdown fault - resets automatically as soon as the value comes back within the boiler’s normal working range
From this model's manual
Verified against the Ferroli/Ferroli Arena installation & service manual.
DIY fix possible
Check the system pressure gauge and top up to 1.5 bar if lowEnsure all radiator valves are open to allow correct circulationWait for the boiler to cool down if it has recently overheatedPress the reset button if the boiler does not restart automatically
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Related fault codes
All 80 fault codes on the Arena
Seeing a different code? Every code this model can display, in one place.
10121314151617181920212324252630313234353637394041424345495051114A-4Display FlashingF2Green LED onLED 1 green (0)LED 1: 0LED 2 (C.H.)LED 2 (CH)LED 2 (D.H.W.)LED 2 (DHW)LED 2 yellow (0) [DHW mode]LED 2 yellow (1) [CH mode]LED 2: 0LED 2: 1LED 3 (CH)LED 3 yellow (0) [CH mode]LED 3: 0LED 4 (C.H.)LED 4 (CH)LED 4 (D.H.W.)LED 4 (DHW)LED 4 green (0) [CH mode]LED 4 green (0) [DHW mode]LED 4: 0LED 4: 0 (Central Heating)LED 5 (CH)LED 5 (DHW)LED 5 red (1) [CH mode]LED 5 red (1) [DHW mode]LED 5: 1LED 5: 1 (Central Heating)LED 6 (C.H.)LED 6 (CH)LED 6 (D.H.W.)LED 6 (DHW)LED 6 yellow (0) [CH mode]LED 6 yellow (0) [DHW mode]LED 6: 0LED 6: 0 (Central Heating)LED 7 green (0)LED 7: 0LED 8 yellow (0)LED1 (green)LED2-5 (yellow)Orange LED onRadiators cold in winterRed LED on/Flashing