Sometimes the motor stops, heating still is in function. You can fix this in 15 min.
No parts required.
Heat up to 50°C/120°F in oven in order to make the clips inside smooth.
Open the bottom with a strong screwdriver. Be careful not to break the clips inside
Pull out the circuit board and the motor. The on/off switch must be pressed out
The black and the red contacts leading to the motor must be swapped. Pull the little plug. With a little screwdriver press the contact spring, pull out the cable.
Carefully embed the thermal contact in conducting paste. Then press bottom into body until you hear a clic threee times. At last switch must be pressed in.
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