Fuel Temperature Alarm

[Thunderbird 2]

I Have a Princess 440 fitted with a pair of TAMD72 EDC engines. I'm getting a fault code 6.1 which is (according to the instruction manual) high fuel temperature.
No obvious reason why the fuel should be hot. Anyone know where the sensor is and what could be causing the fault?

 

[gordmac]

Can't really help but thought I would bump it.