Thermotech Tt91 Manual | Hot [updated]

: If the temperature is abnormally high while the current is still on, the contactor or Solid State Relay (SSR) may be "locked on" or welded shut and needs replacement.

Disclaimer: This content is for informational purposes only. Always consult a qualified electrician or heating engineer for repairs or modifications to your Thermotech TT91 system. thermotech tt91 manual hot

Improper installation of a PID controller can lead to thermal runaway, electrical fires, or destroyed heating elements. : If the temperature is abnormally high while