Manual SCA-SS-70-10
V 2.3
01/04 page 10
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6. Troubleshooting
Symptom
Operating mode
Causes
Repair
Power supply voltage < 11 V
Check power supply
Enable not active
Check level at pin 12-14
Set value 0V
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
Speed control
encoder feedback
Encoder signals
Check signals and sequence
Tacho mode
Tacho signals
Check voltage and polarity
No speed
control
IxR
Feedback too low
Check adjustment of
potentiometer Gain and IxR
7. Dimensions
