alert codes which cant be cleared

[trailer-tech]

I work sometimes on Thermokings sb210. Can you guys tell me the way to remove codes which cant be normally cleared?

[IRMechanik]

I work sometimes on Thermokings sb210. Can you guys tell me the way to remove codes which cant be normally cleared?

Sensor codes need to be cleared through guarded access.

[gravy258]

go to set time and date.
Press the left key and the right key at same time.(not the two middle ones)
Into guarded access.