Panasonic A/C 12kw cassette system F31 error?

[fridgeguy]

Hi all - just wondered if anyone knew what the above error code means on a 12kw Panasonic cassette Air Con system? Any help appreciated.

[stufus]

According to this F31 could be a number of faults:confused:
https://docs.google.com/viewer?a=v&q=cache:qPnJtFMJlL8J:www.aircon.ru/pbc_download/files/f1210657251.pdf+panasonic+air+conditioning+fault+codes&hl=en&gl=ie&pid=bl&srcid=ADGEESidPOxLBpgC3ZNvXecIVp1YXfRLXOLinqV6dHWmc8E2J7iQVjefXfCX-jZ5hdBFYUsHG2FPVntr69XIHE9N8cdPMQV_h4CzVt138WjmOUAxpl-5FT5iv3cXujLuWA50B-D-rbGI&sig=AHIEtbTie73Wk6fII2uH3U4hzEEY-SZJaQ
Cheers
Stu