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4-6
Troubleshooting
Drive does not Start from Integral Keypad.
Drive does not respond to changes in speed command.
Motor and/or drive will not accelerate to commanded speed.
Cause(s)
Indication
Corrective Action
Integral keypad is not enabled. Green LED above Start key is
not illuminated.
•
Set parameter P036
to option 0 “Keypad”.
•
Set parameter A051 - A052
“Local” and activate the input.
I/O Terminal 01 “Stop” input is
not present.
None
Wire inputs correctly and/or install
jumper.
Cause(s)
Indication
Corrective Action
No value is coming from the
source of the command.
The drive “Run” indicator is lit
and output is 0 Hz.
•
Check d012
for
correct source.
•
If the source is an analog input,
check wiring and use a meter to
check for presence of signal.
•
Check d002
to verify correct command.
Incorrect reference source is
being selected via remote
device or digital inputs.
None
•
Check d012
for
correct source.
•
Check d014
see if inputs are selecting an
alternate source. Verify settings
for A051 - A052
•
Check P038
for the source of the speed
reference. Reprogram as
necessary.
•
Review the Speed Reference
Control chart on
.
Cause(s)
Indication
Corrective Action
Acceleration time is excessive. None
Reprogram P039
A067
.
Excess load or short
acceleration times force the
drive into current limit, slowing
or stopping acceleration.
None
A089
.
Remove excess load or reprogram
P039
or A067
Check for improper A084
setting.
Speed command source or
value is not as expected.
None
Verify d002
Check d012
for the
proper Speed Command.
Programming is preventing the
drive output from exceeding
limiting values.
None
Check P035
to
insure that speed is not limited by
programming.
userman.book Page 6 Friday, June 21, 2002 2:48 PM
Summary of Contents for Allen-Bradley PowerFlex 4
Page 4: ...soc 2 userman book Page 2 Friday June 21 2002 2 48 PM ...
Page 6: ...ii userman book Page ii Friday June 21 2002 2 48 PM ...
Page 32: ...1 22 Installation Wiring Notes userman book Page 22 Friday June 21 2002 2 48 PM ...
Page 70: ...4 8 Troubleshooting Notes userman book Page 8 Friday June 21 2002 2 48 PM ...
Page 74: ...A 4 Supplemental Drive Information Notes userman book Page 4 Friday June 21 2002 2 48 PM ...
Page 82: ...B 8 Accessories and Dimensions Notes userman book Page 8 Friday June 21 2002 2 48 PM ...
Page 88: ...C 6 RS485 DSI Protocol Notes userman book Page 6 Friday June 21 2002 2 48 PM ...
Page 92: ...Index 4 Notes userman book Page 4 Friday June 21 2002 2 48 PM ...
Page 93: ...userman book Page 1 Friday June 21 2002 2 48 PM ...