nord NORDAC FLEX SK 200E Series User Manual page 226

NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
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2
E003 3.0 I
3.1 Chopper overtemperature I
3.2 IGBT overcurrent
125% monitoring
3.3 IGBT overcurrent fast
150% monitoring
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E004 4.0 Overcurrent module
4.1 Overcurrent measurem
"Overcurrent measurement"
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Pos : 663 /Anleitungen/El ektr onik /FU und Starter/6. M eldung en zum Betriebsz ustand/Störm eldung en (Auflistung)/F ehl er E005 [SK 180E/SK 2x xE/SK 5xxE/SK2xxE-FD S/SK 500P] @ 2\m od_1347453309234_14638.docx @ 46527 @ @ 1
E005 5.0 Overvoltage Ud
5.1 Mains overvoltage
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E006 6.0 Charging error
6.1 Mains low voltage
226
t overcurrent limit
2
a.c. VFD: I t limit has triggered, e.g. > 1.5 x I
note P504)
• Continuous overload at VFD output
• Possible encoder fault (resolution, defect,
connection)
2 2
t Brake chopper: I t limit has activated, 1.5 times values
reached for 60 s (please also pay attention to P554, if
present, and P555, P556, P557)
• Avoid overcurrent in brake resistance
Derating (output reduction)
• 125% overcurrent for 50 ms
• Brake chopper current too high
• For fan drives: enable flying start circuit (P520)
Derating (output reduction)
• 150% overcurrent
• Brake chopper current too high
Error signal from module (short duration)
• Short circuit or ground fault at VFD output
• Motor cable is too long
• Use external output choke
• Braking resistor faulty or resistance too low
 Do not switch off P537!
The occurrence of a fault can significantly shorten the
service life of the VFD or even destroy it.
P537 (pulse current switch-off) was reached 3x within 50 ms
(only possible if P112 and P536 are disabled)
• VFD is overloaded
• Drive sluggish, insufficiently sized,
• Ramps (P102/P103) too steep -> Increase ramp time
• Check motor data (P201 ... P209)
DC link voltage too high
• Increase deceleration time (P103)
• If necessary, set switch-off mode (P108) with delay
(not with lifting equipment)
• Extend emergency stop time (P426)
• Fluctuating speed (e.g. due to high centrifugal
masses), adjust U/f characteristic curve if
necessary (P211, P212)
Devices with brake chopper:
• Reduce energy return using a braking resistor
• Check the function of the connected braking resistor
(broken cable)
• Resistance value of connected braking resistor too
high
Line voltage is too high
• See technical data ( Section
DC link voltage is too low
• Line voltage too low
• See technical data ( Section
Line voltage too low
• See technical data ( Section
for 60 s (also
n
7
)
7
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7
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BU 0200 en-US-4920