Specifications
Chapter 5 Parameters|VFD-B Series
Revision July 2008, BE16, SW V4.08 & V5.00 5-69
07 IGBT protection (occ)
08 CPU failure (cF3)
09 Hardware protection failure (HPF)
10 Current exceeds 2 times rated current during accel.(ocA)
11 Current exceeds 2 times rated current during decel.(ocd)
12 Current exceeds 2 times rated current during steady state operation
(ocn)
13 Ground fault (GFF)
14 Reserved
15 CPU READ failure (CF1)
16 CPU WRITE failure (CF2)
17 Reserved
18 Motor over load (oL2)
19 Auto accel/decel failure (CFA)
20 Software/password protection (codE)
21 Emergency stop (EF1)
22 Phase-Loss (PHL)
23 Preliminary count value attained, EF active (cEF)
24 Under-current (Lc)
25 Analog feedback signal error (AnLEr)
26 PG feedback signal error (PGErr)
In Pr.06-08 to Pr.06-11 the four most recent faults that occurred, are stored. After removing the
cause of the fault, use the reset command to reset the drive.
06 - 12 Under-Current Detection Level Unit: 1
Settings 00 ~ 100% Factory Setting: 00
00 Disabled
06 - 13 Under-Current Detection Time Unit: 0.1
Settings 0.1~ 3600.0 sec Factory Setting: 10.0
06 - 14 Under-Current Detection Mode
Factory Setting: 00
Settings 00 Warn and keep operating
01 Warn and ramp to stop
02 Warn and coast to stop
03 Warn, after coast to stop, restart (delay 06-15 setting time)