ALARM 51
AMA check Unom and Inom
Danfoss · VLT HVAC Basic FC 101
What does ALARM 51 mean?
The settings for motor voltage, motor current, or motor power are presumably incorrect. This prevents the Automatic Motor Adaptation (AMA) function from accurately identifying motor parameters, leading to suboptimal or incorrect motor control.
Source: Danfoss VLT HVAC Basic FC 101
View Official PDF