Jaguar X Type fun not working

What you describe is normal operation of the cooling fans. They run 100% while the A/C is on to cool the A/C condenser. They also run to cool the engine's radiator, but only when needed. That would be while driving in slow traffic, or while parked in hot/warm weather.

Thanks for the quick response. The temperature here is high and the fun doesn't run at all. Water temperature in the radiator also gets too high. I suspect it is a serious problem

If the fans run for the A/C, that means the fan motors are okay. And it probably shows that the fuse and relay are okay too. Have a mechanic locate the temperature sensor on the cooling system that tells when the coolant is too hot, and turns on the fans..... and have it tested/replaced. There is also a chance that the engine is not truly overheating....you may just be getting a false temp gauge reading from a different sensor. Your mechanic will have a infrared temperature sensor tool that will give a true reading of the cooling system if you aim it at the thermostat housing or an upper radiator hose. It's not too serious but be careful not to overheat this all aluminum engine as it will damage it. Not to worry...just follow up on it.

if ac fan works its the fan relay i would say if test with a wire from battery careful to not touch both wires if fan spins its relay if fan wont spin no matter which way you connect then its then fan itself