Hakko Electronics FM-202 - Troubleshooting Common Issues; Unit Not Operating; Tip Not Heating Up

11. TROUBLE SHOOTiNG GUIDE
A WARNING;
• Before checking the inside of the FM-202 or replacing parts, be sure to disconnect the power
plug. Failure to do so may result in electric shock.
• The unit does not operate
when the power switch is
turned on.
CHECK
CHECK
Is the power cord and/or the connection plug dis-
connected?
Connect it.
Is the fuse blown?
Investigate why the fuse blew and then replace the fuse.
If the cause can not be determined, replace the fuse. If
the fuse blows again, send the unit in for repair.
• The tip does not heat up.
•The sensor error I S -f | is dis¬
played.
CHECK
CHECK
Is the tip inserted properly?
Insert the tip completely.
Is the connection cord and/or the heater/sensor broken?
See the appropriate section of this manual regarding how
to check the connection cord and/or the heater/sensor for
breakage.
• Solder does not wet the
tip.
CHECK
CHECK
Eggga
Is the tip temperature too high?
Set the appropriate temperature.
Is the tip contaminated with oxide?
Remove the oxide (see “Tip maintenance” on P. 12).
• The tip temperature is
too high.
CHECK
ESim
CHECK
Eagfla
Is the connection cord broken?
See “Checking the connection cord for breakage" on P. 13.
Is the entered tip Identification number correct?
Enter the correct value.
• The tip temperature is
too low.
CHECK
CHECK
Is the tip contaminated with oxide?
Remove the oxide (see “Tip maintenance” on P. 12).
Is the entered tip identification number correct?
Enter the correct value.
• The soidering iron error
ir-£l is dispiayed.
CHECK
EI3M1
Is the other soldering iron connected? Or the FM-2027
plug disconnected?
Connect the FM-2027 or Hakko 912 soldering iron.