Adtech iMASTER – A1 Series - VFD Doesnt Turn on

A1-User’s Manual
１８９
9.2.11 VFD doesn’t turn on
1) Diagnostic flow chart
VFD not
turn on
DM module
fail
Vdc<400V(HF)
200V(LF)
SMPS
5V,24V fail
Yes
Replace DM module(>37kW)
Replace Power PCB(≤37kW)
No
Replace Charging resistor(>22kW)
Replace Power PCB(≤22kW)
Yes
Replace SMPS
(>22kW, ≤3.7kW)
Replace Power PCB(5.5~22kW)
Yes
No
No
Contact
Service team