ST600s | Err.22, what does this message mean, what can be done?

If the error message Err.22 appears, it is an offline error in the PID feedback. Causes: PID feedback offline. The PID feedback […]

ST600s | Err.21, what does this message mean, what can be done?

If the error message Err.21 appears on the display of the frequency inverter, it is an EEPROM error. Causes: R/W error occurred […]