Repair of sealing machine
Open the shell visual inspection found that the transformer has been burned, measuring the transformer primary coil has been broken.
Example 2: After pressing the handle, BL can not heat the seal.
Thyristor selected 3A / 600V, such as TLC336A.
Example 1: press the handle, switch K closed, RL power heating non-stop, and ultimately the plastic bag sealing parts of the heating fuse; repair under the SCR, measured with a multimeter, found between T1 and T2 pole breakdown.
Common causes of the machine failure for the transformer burnout, SCR damage, such as broken heat.
