VFD68 Variable Frequency Drive (575 VAC) Installation Instructions
27
When a fault occurs, take the appropriate corrective action, then reset the VFD and resume operation. See
on page 29. Failure to take corrective action and reset the VFD may lead to a repeat of
the fault condition and damage the VFD. For further information on troubleshooting, refer to the
VFD68 Variable
Frequency Drive Technical Bulletin (Part No. 24-7664-3051).
Table 18: Indicator Messages (Part 1 of 2)
Operation Panel Indication
Name
Error message
E---
Faults history
HOLD
Operation panel lock
Er1 to 4
Parameter write error
LOCD
Password locked
Err.
VFD reset
Warning
OL
Stall protection (over-current)
oL
Stall protection (over-voltage)
RB
Regenerative brake pre-alarm (not used)
TH
Electronic thermal relay function pre-alarm
PS
PU stop
MT
Maintenance signal output (not used)
UV
Under-voltage
SA
Safety Stop
Alarm
FN
Fan alarm
Fault
E.OC1
Over-current trip during acceleration
E.OC2
Over-current trip during constant speed
E.OC3
Over-current trip during deceleration or stop
E.OV1
Regenerative over-voltage during acceleration
E.OV2
Regenerative over-voltage trip during constant
speed