User Manual Instruction Manual

Troubleshooting the Drive 12-21
.
None Incorrect reference source is
being selected via remote
device or digital inputs.
5. Check Drive Status 1 (209),
bits 12 - 15 for unexpected
source selections.
6. Check Dig In Status (216) to
see if inputs are selecting an
alternate source.
7. Reprogram digital inputs to
correct Speed Sel x option.
Table 12.13 – Motor and/or Drive Will Not Accelerate to Commanded Speed
Indication Cause(s) Corrective Action
Acceleration time is
excessive.
Incorrect value in Accel
Time “x” (140, 141).
Reprogram Accel Time “x” (140,
141).
Drive is forced into
current limit, slowing
or stopping
acceleration.
Excess load or short
acceleration time.
Check Drive Status 2 (210), bit
10 to see if the drive is in current
limit.
Remove excess load or
reprogram Accel Time “x” (140,
141).
Speed command
source or value is not
as expected.
Improper speed command. Check for the proper speed
command using steps 1 through
7 in table 12.12.
Programming is
preventing the drive
output from
exceeding limiting
values.
Incorrect programming. Check Maximum Speed (82) and
Maximum Freq (55) to insure that
speed is not limited by
programming.
Table 12.12 – Drive Does Not Respond to Changes in Speed Command (Continued)
Indication Cause(s) Corrective Action