Daikin FTKS09SL216 Service Manual page 50

Service Manual
6. Malfunction of Insufficient fluorine protection F0
F0
（4）
Troubleshooting
for F0 malfunction
Heat exchangers are
too dirty or the air inlet/outlet
is blocked.
Compressor doesn't work
normally. Strange noise or leakage occurs.
Casing is too hot.
System is blocked inside
(dirt block, ice block, oil block, Y-valve no
fully open).
The refrigerant is leaking
Replace a main
board with the
same model.
Installation and Maintenance
Yes
No
Yes
No
No
Yes
No
End
Clean the heat exchangers
blockage of air inlet/outlet.
No
Make compressor run normally.
No
Remove blockage in the system
Yes
No
Check the leaking status of refrigerant
and charge refrigerant
No
and remove
Malfunction is
eliminated.
Malfunction is
eliminated.
Malfunction is
eliminated.
Malfunction is
eliminated.
Yes
Yes
Yes
Yes
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