K8205 - syringe extruder and manual controls

I’m trying to move the K8200 with the manual controls
The thermistor for the bed and extruder are not connected because I’m just going to connect it to the paste extruder kit (K8205)
However the manual controls won’t work. Only when I click on “Home” It moves.
Is there a way not to use the themistors?? I’m not going to heat the bed or heat the extruder so it is unnecessary.