Hi guys
got a b.t rolatruc a fellow engineer is having trouble with it at a site which needs a long induction to get into so my boss as ask me to advise the engineer. I have no idea what these fault codes mean and whether the machine is A.C or D.C.

all i know is the machine is a reach truck which moves in direction then stops and shows fault codes c16 and c22.
Model. RRB1/15
SNO. 432144AA/2002

any help would be great.