Emerson FM-3 Guía para resolver problemas Pagina 29

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25
“L” CW/CCW Limit Fault
This fault is indicated by the display showing an “L”. Encountering either Hardware or
Software limits may cause this fault.
Potential causes for the “L” CW/CCW Limit fault
CW/CCW limit sensor active
Reached the end of the hardware or software established limits in either direction
Polarity of input function is incorrect for wiring configuration at the input connector
Troubleshooting Flow Chart for “CW/CCW Limit Fault
Travel Limit
Prox Switch
Active
Jog
Off Switch
in Opposite
direction
"L" Fault
Resets
Automatically
Return to
Normal Operation
Yes
No
Check
Input Wiring
for Polarity
Selected
"L" Fault
Resets
Automatically
Return to
Normal Operation
Jog
Off Limit
in Opposite
direction
Yes
No
"L"
CW/CCW
Limit Fault
Check/Adjust
Software
Limit
Yes
End
Travel Limit
Software Limit
Active?
Check
Polarity of Input
Change Input
Polarity/
Modify Wiring
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