7
VFD-B Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
7-5
Fault
Name
Fault Descriptions
Corrective Actions
External Base Block.
AC drive output is
turned off.
1. When the external input terminal (B.B)
is active, the AC drive output will be
turned off.
2. Disable this connection and the AC
drive will begin to work again.
AnLEr: analog
feedback error or ACI
open circuit
PGErr: PG feedback
signal error
1. Check both parameter settings and
wiring of Analog/PC (Pr.10-00).
2. Check for possible fault between system
reaction time and the feedback signal
detection time (Pr.10-08).
Auto Tuning Error
1. Check cabling between drive and motor
2. Retry again
EF when preliminary
count value attained
1. Check counter trigger signal
2. Check Pr.03-09, Pr.03-11setting
Low Current
1. Check Load current
2. Check Pr.06-12 to Pr.06-15 setting
Phase Loss
Check Power Source Input
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