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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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QM81 fully-automatic SMT line applied to Smart wearable device prototyping PCBs and mass production part2

Pcb loader QUL350→fully-automatic stencil printer QFA5060→ SMT 1m Conveyor→#fully-automatic PNP machine QM81→#conveyor→#reflow oven 12 heating zoneQRF1230→ PCB unloader QDL350

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TVM925 classic SMT semi automatic pick and place machine Microcontroller & Microprocessor R&D from Middle East

Today author from qihe smt pick and place machine sharing you with a customer case story .classic model TVM925 QHSMT Customer case sharing classic model TVM925Microcontroller & Microprocessor R&Ddesign and manufacture of #controller Middle East #الشرق الأوسط TVM925 SMTline pnp machine semi automatic pick and place machine 4 headsmd chip shooter solder paste printer reflow […]

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