ebm-papst ECI-63.XX-K4 - Manual (Page 109)

109
11 Troubleshooting
11.2 Operation
State Cause of error Error in detail Action
Motor does not respond, not ready
U
ZK
Overvoltage Set
Undervoltage Set
U
Logic
Supply with 24 V
Acknowledgement missing Acknowledge
Parameter wrong Correct
For operation via RS485:
Enable missing
Connect enable
Motor controls to 0,
target speed cannot be specified
Setpoint missing Specify setpoint
Wrong setpoint selected Set correctly
Parameter wrong Correct
Motor is jerky Control parameter is unsuitable Speed controller Set
Position controller Set
K_FF unsuitable Set
U
ZK
fluctuates Stabilise
Motor is jerky on switching to hold
control
K_FF = 0 Set K_FF
Motor does not position itself Enable missing IN A / IN B must be set to 1 / 1
Kp_H missing Set
Max positioning speed = 0 Set
No distance set Set or teach mode
Dynamics too weak Motor overloaded Buy longer motor
Ramp too flat Set steeper
Current limitation Open current limitation
Motor switches to free-wheeling on
braking
Overvoltage No brake chopper Use a regenerative feedback-proof
power supply unit
Use brake resistor
Braking chopper too weak 5 IN A must be able to flow.
24 V: 5 ohm
48 V: 10 ohm