Hello
In handle two wires was too close and one beautiful day they call out

Now my station i showing ERROR, and the tip is glowing to red colour.
What is going on? What components should I exchange?
I measure a thermistor (similar appearance as zener diode) and is broken (no values on multimeter). I want to exanche it but i Dont know what value is it (ohms

)
Can anybody help me?
I hant to repair my soldering station