Manual SCA-LS-30-03
V 1.1
06/02 page 9
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8. Troubleshooting
Symptom Operating mode
Causes
Repair
Power supply voltage < 11 V
Check power supply
Enable not active
Check level at pin 14
Set value 0 V
Check set value
Current limitation adjusted too low Check potentiometer adjustment
I max
Speed range too low
Check potentiometer adjustment
n max
Wrong operation mode
Check jumper setting
Bad connections
Check connectors
Motor
does not
turn
All
Wrong wiring
Check wiring
Encoder mode
Encoder signals
Check signals and sequence
Tacho mode
Tacho signals
Check voltage and polarity
No speed
control
I x R
Feedback too low
Check adjustment of
potentiometer Gain and I x R
9. Dimensions
4 x 4,5
80
100
12
104
117
1,5
3,0
100
94
90
82
37
40
1
14
10. Versions of Text
V 1.0 (05/02) preliminary issue
V 1.1 (06/02) revision of set value with ext. pot.