l can lock the car centrally with the key but not with either fob. Are there other possible solutions

A simple car over time will everntually lose it is central locking functionality. This happens either because of.
1) The computer board that controls the central locking in the car has damaged components. (e.g. Radiowave receiver, power supply unit.)
2) Your key fob has malfunctioning components or it is battery is just dead.
3) You're in your office which is a whole 1 mile away from your car while locking it.

try switching the ignition on, hold locking button for 10 seconds then turn ignition off. leave for about 30 seconds then try it.
when you switch ignition on dont have engine running