Warning /Alarm 20 in danfoss VLT FC360 drive : Temp. Input Error - - comes when the temperature sensor is not connected or faulty temperature sensor.
The temperature detected by VLT® Sensor Input Option MCB 114 exceeds the limit.
This warning/alarm is only active when [5] Stop and trip is selected in parameter 35-06 Temperature Sensor Alarm Function.
1. Check the settings of the following parameters:
a. parameter group 35-1* Temp. Input X48/4
b. parameter group 35-2* Temp. Input X48/7
c. parameter group 35-3* Temp. Input X48/1
2.Check the feedback temperature from the following parameters:
a. parameter 18-37 Temp. Input X48/4
b. parameter 18-38 Temp. Input X48/7
c. parameter 18-39 Temp. Input X48/10