Nord Drivesystems SK 180E Series, User Manual

Page: 167 / 212

6 Operating status messages
BU 0180 en-4118 167
C003 3.0 Overcurrent, I 2 t limit Warning: Inverter: I 2 t limit has triggered, e.g. > 1.3 x I
n
for
60s (please also note P504)
• Continuous overload at FI output
3.1 Overcurrent, chopper I 2 t Warning: I 2 t limit for the brake chopper has triggered, 1.3x
value attained for 60s (also note P554, if present, as well as
P555, P556, P557)
• Avoid overload of brake resistance
3.5 Torque current limit Warning: Torque current limit reached
•
Check
(P112)
3.6 Current limit Warning: Current limit reached
•
Check
(P536)
C004 4.1 Overcurrent measurement
"Overcurrent measurement"
Warning: pulse switch off is active
The limit for activation of pulse switch off (P537) has been
reached (only possible if P112 and P536 are switched off)
• FI is overloaded
• Drive sluggish, insufficiently sized
• Ramps (P102/P103) too steep -> Increase ramp time
• Check motor data (P201 … P209)
• Switch off slip compensation (P212)
C008 8.0 Parameter loss Warning:
One of the cyclically saved messages such
as operating hours or enabling time could not be
saved successfully.
The warning disappears as soon as saving can be
successfully performed.
C012 12.1 Limit moto./Customer
"Drive switch - off limit"
Warning: 80 % of the drive switch-off limit (P534 [-01]) has
been exceeded.
• Reduce load on motor
• Set higher value in (P534 [-01]).
12.2 Limit gen.
"Generator switch - off limit"
Warning: 80 % of the generator switch-off limit (P534 [-02])
has been reached.
• Reduce load on motor
• Set higher value in (P534 [-02]).
12.3 Torque limit Warning: 80 % of the limit from the potentiometer or the
setpoint source has been reached. P400 = 12
12.4 Current limit Warning: 80 % of the limit from the potentiometer or the
setpoint source has been reached. P400 = 14
12.5 Load monitor Warning due to overshooting or undershooting of
permissible load torques ((P525) … (P529)) for the time set
in (P528).
• Adjust load.
• Change limit values ((P525) ... (P527)).
• Increase delay time (P528).