Tecnologic error codes and service modes

Pick your Tecnologic model to see its error codes, how to enter service mode and what each setting does.

Italian maker of panel thermostats and process controllers (TLZ, TLK, TLY series) used on cabinets, ovens and process equipment.

Controllers

• Tecnologic TLZ 11 and TLZ 11 PHeat/cool thermostat · 6 codes
• Tecnologic TLZ 12Refrigeration controller with defrost · 8 codes

ServiceModes is not affiliated with Tecnologic or any other manufacturer. Written in our own words from the manufacturer's documentation.