Mick, Sounds like the ECU went into preheat prematurely, therefore the pooling of fuel during preheat, try this, go to the background menu and adjust parameter #15, increase its value by one notch.
1) Power on RX, during the a brief moment of the welcome screen, press and release #3 then #1 button
2) Once you are in the background menu, use #2 button to scroll to parameter 15, I suspect that this is at 1, increase it to 2
3) Power cycle Rx, you are ready to go
You have just increase the temperature difference required during the ignition phase to better facilitate preheat. I also had to do this on one of my two 210s running with Diesel.