19
11. TROUBLE SHOOTING GUIDE
●
The unit does not operate when the power switch is turned ON.
CHECK
：
Is the power cord and/or the connection plug disconnected?
ACTION
：
Connect it.
CHECK
：
Is the fuse down?
ACTION
：
Investigate why the fuse blew and then replace the fuse.
If the fuse blows again, send the unit in for repair.
●
The tip does not heat up.
・
The sensor error is displayed.
CHECK
：
Is the tip inserted properly?
ACTION
：
Insert the tip completely.
CHECK
：
Is the iron cable and/or the heater/sensor for breakage.
ACTION
：
See “
■
Checking the iron cable for breakage” and “
■
Check for a
broken
heater or sensor” in page 17. Replace any faulty part.
●
Solder does not wet the tip.
CHECK
：
Is the tip temperature too high?
ACTION
：
Set the appropriate temperature.
CHECK
：
Is the tip contaminated with oxide?
ACTION
：
Remove the oxide.
（
See “
●
Tip maintenance” in page 16.
）
●
The tip temperature is too high
CHECK
：
Is the iron cable broken?
ACTION
：
See “
■
Checking the iron cable for breakage” in page 17.
CHECK
：
Is the entered offset value correct?
ACTION
：
Enter the correct value.
●
The tip temperature is too low.
CHECK
：
Is the tip contaminated with oxide?
ACTION
：
Remove the oxide.
（
See “
●
Tip maintenance” in page 16.
）
CHECK
：
Is the entered offset value correct?
ACTION
：
Enter the correct value.
●
The soldering iron error
is displayed.
CHECK
：
Is the other soldering iron connected? Or the iron cable is connected?
ACTION
：
Connect the iron cable with the HAKKO FX-8002.
