panasonic

Hi guys, Can anyone please help me ,looking for fault codes on a panasonic system model cu-140c53xp,the faults codes:foo,f42 and f16 the system is old but in good shape:.any ideas thanks des:)

Hi Guys Was checking out this panasonic ceiling cassette and it displayed a 'f4' error code,the model number is CZ 06KPV 21P.Please help me