The unit has no power / display does not light up.
1. Check if the unit is switched ON.
2. Check the fuse, replace with the same type of fuse if blown.
3. Check the power cord and make sure there is no disconnection.
4. Verify that the unit is properly connected to the power source.
5. Check if local voltage matches the product requirement.
Display lights up but the temperature of heat gun is relative low and not heating up.
Heat gun cord or heating element may be damaged, please replace a new heat gun.
Display lights up but the heat gun temperature rises and falls uncontrollably.
Heat gun plug may be loose from the receptacle, unplug the heat gun and re-attach.
The temperature is less than 50℃, and no longer heating up in working state.
Heat gun cord or heating element may be damaged, please replace new heat gun.
The temperature display shows the temperature, but the temperature of the soldering iron does not reach the set relative temperature or is not heated.
- Is the soldering iron wire damaged? Please replace the soldering iron handle.
- The heating core may be damaged, please replace it with a new one
- Please refer to " Refer to checking for breakage in the heating element
When the display temperature is less than 50 ℃ and does not heat up again, or when the temperature of the soldering iron tip rises intermittently.
- Is the soldering iron wire damaged? Please replace the soldering iron handle.
- The heating core may be damaged, please replace it with a new one
- Please refer to " Refer to checking for breakage in the heating element
The temperature deviation between the temperature display and the soldering tip is large
- Is the soldering iron tip aging seriously? Please replace or clean the soldering head.
- Is the calibration correct? Please recalibrate
Checking for breakage of the heating element and cord assembly
Disconnect the plug and measure the resistance value between the connecting plug pins as follows. If the values of 'a' and 'b' are outside the above value, replace the heating element (sensor) and/or cord assembly .Refer to Procedures 1 and 2. If the value of “c” is over the above value, remove the oxidization film by lightly rubbing with sand-paper or steel wool the points as shown.