Amt-78 User Manual !full! Page

When replacing a faulty AMT-78, it's generally recommended to replace the entire unit. While different brands may appear to be functionally "universal" and use the same connectors, their internal firmware can be different. The teardown noted a difference in chip sets between "generations," with a newer board replacing an EEPROM chip with flash memory. This means mixing and matching parts from different controllers is not advised.

Remove probe from the environment immediately to prevent sensor damage. Environmental interference or uncalibrated sensor. amt-78 user manual

Wait for the reading stability indicator to turn green, then press to save the new calibration coefficients. 7. Troubleshooting and Error Codes When replacing a faulty AMT-78, it's generally recommended