Códigos de falla cubiertos
39-14
A code 39-14 is declared when the commanded speed is greater than 200rpm and differs from actual speed (as reported from fan to VFD) by more than 20%. This fault is also declared when the commanded speed is 0 and the VFD is receiving greater than 80rpm feedback from fan motor. The most likely scenario for this fault is a partial physical blockage of blade, ice buildup on fan blade, extreme coil blockage that loads blade heavily, or bearings with high resistance to spinning.
Páginas de solución de problemas de ACHPVSR454-02SM.