8
8. TROUBLESHOOTING GUIDE
WARNING:
Disconnect the power plug before servicing.
Failure to do so may result in electric shock.
l
The tip does not heat up.
• The sensor error
is dis-
played.
CHECK
: Is the tip inserted properly?
ACTION
: Insert the tip completely.
CHECK
: Is the connection cord and/or the
heater/sensor broken?
ACTION
: See the appropriate section of this
manual regarding how to check
the connection cord and/or the
heater/sensor for breakage.
l
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 by cleaning the
tip on a damp sponge or HAKKO
599B tip cleaner.
l
The tip temperature is too
high.
CHECK
: Is the connection cord broken?
ACTION
: See “Checking the connection
cord for breakage”.
l
The tip temperature is too
low.
CHECK
: Is the tip contaminated with oxide?
ACTION
: Remove the oxide by cleaning the
tip on a damp sponge or HAKKO
599B tip cleaner.
l
The soldering iron error
is displayed.
• The LED heater lamp does not
light.
CHECK
: Is the connection cord broken?
ACTION
: See “Checking the connection
cord for breakage”.
CHECK
: Is the MODEL FM-2023 plug dis-
connected?
ACTION
: Connect the MODEL FM-2023.
