FanAm MD60 AC Drive User Manual

Page 89

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Troubleshooting the Drive

10-7

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 parameter P036
(Start Source) to option 0
(Keypad).

Set parameter A051/A052
(Digital Inx Select) is set
to option 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 d012 (Control Source)
for correct source.

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

Check d002 (Commanded
Frequency) to verify correct
command.

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

None

Check d012 (Control Source)
for correct source.

Check d014 (Digital Input
Status) to see if inputs are
selecting an alternate source.
Verify settings for A051/A052
(Digital Inx Select).

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

Review the Speed Reference
Control chart in section 6.6.

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