Rockwell Automation MD65 User Manual Version 2.0 User Manual

Page 114

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10-8

MD65 AC Drive User Manual

10.2.2 Problem: Drive Does Not Start From Integral

Keypad

10.2.3 Problem: Drive Does Not Respond to Changes

in Speed Command

Table 10.3 – Problem: Drive Does Not Start From Integral Keypad

Cause(s)

Indication

Corrective Action

Integral keypad is not
enabled.

Start Key
Status LED is
not on.

Set Start Source (P036)
to 0 = Keypad.

Set Digital Inx Sel (A051
to A054) to 5 = Local and
activate the input.

I/O Terminal 01 “Stop” input
is not present.

None

Wire inputs correctly and/or
install jumper.

Table 10.4 – Problem: Drive Does Not Respond to Changes in Speed Command

Cause(s)

Indication

Corrective Action

No value is coming from
the source of the
command.

The RUN
LED is on and
output is 0
Hz.

Check Control Source (d012)
for correct source.

If the source is an analog
input, check wiring and use a
meter to check for presence of
signal.

Check Commanded
Frequency (d002) to verify
correct command.

Incorrect reference source
is being selected via
remote device or digital
inputs.

None

Check Control Source (d012)
for correct source.

Check Digital Input Status
(d014) to see if inputs are
selecting an alternate source.
Verify settings for Digital Inx
Sel (A051-A054).

Check Speed Reference
(P038) for the source of the
speed reference. Reprogram
as necessary.

Review the Speed Reference
Control chart in figure 6.2.

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