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How to check and solve QRF630 reflow oven welding temperature is not going up after running a moment

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

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Equipment Maintenance Guide # A Very Important thing but easy to Ignore : Stable Earthing Or Grounding before use the pnp Machine

Equipment Maintenance Guide A Very Important thing but easy to Ignore : Stable Earthing Or Grounding before use the pnp smt pick and place Machine Equipment Maintenance Guide # A Very Important thing but easy to Ignore :  Stable Earthing Or Grounding before use the pnp Machine Hello everyone,this is Alex Today we are going […]

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