Today author from qihe smt pick and place machine sharing you with some common problems during use the reflow oven through a client case.
Question：Why won’t the oven QRF630 turn on? measured the temperature with an optocoupler and it showed the same value.
Answer：the temperature is not going up after running a moment.
It is estimated that the three heating pipes in the upper temperature zone are burned, resulting in the temperature not rising