Pre-heating extruder...

Hi,

For my application I'm using a costum extruder without a thermistor. When I start my print it stops at "Pre-heating extruder..." followed by the error "Heater extruder not heating at expected rate". How can I override this error?

In my printer.cfg I already wrote:
[extruder]
min_temp: -120
min_extrude_temp: -120

When I print the G-Code it sets my target temp for extruder on 150°C.

Thanks!
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