Common faults of the soldering iron - soldering iron repair method
1, the soldering iron does not heat up after energization
Soldering iron does not heat up after energized that the soldering iron has a broken circuit fault, this failure may occur in several places at the plug of the soldering iron, the soldering iron core is bad, the lead of the soldering iron core is disconnected, the power cord of the soldering iron is disconnected.
2, the soldering iron head does not eat tin
Soldering iron head does not eat "tin Park see the newly purchased iron head without trimming directly use, resulting in the iron head does not on the tin. Prolonged use of the soldering iron head is not on the tin, soldering iron head. Burned to death to make up, need to trim it.
3, electric iron charged
Soldering iron charged on the welding personnel is very dangerous, serious will lead to electric shock accident, so once found the phenomenon of electric soldering iron charged should immediately cut off the power supply to check. There are several reasons for the soldering iron charged soldering iron power cord connected to the grounding wire terminal; power cord from the soldering iron core terminal off and then touch the grounding wire screws, resulting in the soldering iron head charged power lead winding caused by leakage; power supply ground itself leakage.
4、Soldering iron head pit
When the soldering iron used for some time, the soldering iron head will appear pits, or oxidation corrosion layer, so that the shape of the edge of the soldering iron head has changed. When encountering such a situation, can file the oxidized layer and pits filed off, and filed into the original shape, and then plated with tin, can be reused.
Soldering iron maintenance method
1, the soldering iron is not hot after power maintenance method
(1) when the soldering iron is energized, found that the soldering iron head is not hot, generally is the power cord off, or the heart of the soldering iron line broken, encountered such a situation, the multimeter can be used to measure the two ends of the power supply plug R × lkn block, if the multimeter pointer does not move, indicating that there is a circuit break failure.
(2) first check the plug itself whether the lead is disconnected, if not, then you can remove the gum wood handle, and then use the multimeter to measure the two leads of the iron heart, if the multimeter pointer is still not moving, indicating that the iron heart is damaged, you should replace the iron heart.
(3) 35W endothermic soldering iron heart between the two leads of the resistance value of 1. Skfl or so, if the measured resistance value is normal, it means that the iron heart is good, the failure occurs in the power supply lead, and the plug itself, most of the fault is the lead break. Need to replace the iron heart, will be new with the specifications of the iron heart inserted into the connecting rod, the lead is fixed in the fixing screws, and tighten the terminals, at the same time, to note that the iron heart to the iron lead to cut off the excess, in order to prevent the two leads short-circuit.
2, the iron head charged maintenance method
(1) The reason for the soldering iron head charged fault, in addition to the power cord is wrongly connected to the grounding wire terminal, there is another reason, that is, when the power cord from the soldering iron heart terminal off, and then touched the grounding wire screw, resulting in the soldering iron head charged.
(2) this kind of failure, easy to cause electric shock accident, and will damage the components, in order to prevent the power cord off, need to regularly check the soldering iron handle on the pressure line screw whether there is loose and lost, such as loose, or lost, to match in time.
