... the actual temperature with temp unit “°C or °F”. (diagram 1), (diagram 2) 3.Adjusting Temperature:Under normal working condition, pressing ... the temperature value simultaneously. Release knob for 3s to store. (Diagram 3) 4. Quickly adjusting temperature: Under working condition, you ... screen, there is some wrong in heating element or the circuit. ( diagram 5, 6). Turn off the unit and follow the ...