HAKKO FX-952 - "C-E" appears on the display.
Case2 "C-E" appears on the display.
Causes：A soldering iron other than HAKKO FM-2025/2028 is used. Or a connection plug may not be fully seated.
Countermeasures：Check that a proper soldering iron is connected to the soldering station. Then remove and reconnect the connection plugs so they are fully seated.