Delta 1.07 VFD-D D - Manual (Page 113)

Chapter 5 Troubleshooting |DD Series
5-8
5-7 Digital Keypad Display is Abnormal
Abnormal display or no display
Turn the power off and power
on again after display is off
No
Yes
Yes Yes
No
Display normal?
AC motor drive works normally
Fix connector and eliminate noise
Check if all connectors are connected
well and if there is no noise
AC motor drive has malfunction.
Please contact DELTA.