Nord Drivesystems NORDAC FLEX SK 200E Series - FAQ Operational Problems

NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
236 BU 0200 en-3118
Pos: 69 1 /Anlei tung en/El ektr onik/FU und Star ter/6 . Meld ungen zum Betr iebsz usta nd/FA Q Betri ebsst örung en @ 9\mod_1448963314277_388.docx @ 268440 @ 2 @ 1
6.4 FAQ operational problems
Fault Possible cause Remedy
Pos: 692 /A nleit ung en/El e ktr onik /FU und Star ter /6. M eldung en zu m B etrie bsz ust and /Betr ie bss tör ung en (A ufli st ung) /FA Q B etri ebss tör ungen _01 [S K 1x5E, SK 2 xxE] @ 9\mod_1448963514987_388.docx @ 268902 @ @ 1
Device will not start (all LEDs
off)
• No mains voltage or wrong mains
voltage
• SK 2x5E: No 24 V DC control voltage
• Check connections and supply
cables
• Check switches / fuses
Pos: 69 3 /Anlei tu nge n/El ektr oni k/FU un d St art er/6 . M eld ung en z um B etr iebs zus ta nd/B etri ebss tör ung en (A uflis tung )/F AQ Betr ie bsst örung en _02 [S K 1x0E, SK 2xxE, SK 2xx E-FDS] @ 9\ mod_1448963508461_388.docx @ 268836 @ @ 1
Device does not react to
enabling
• Control elements not connected
• Incorrect control word source setting
• Right and left enable signals present
simultaneously
• Enable signal present before device
ready for operation (device expecting a
0  1 edge)
• Reset enable
• Change over P428 if
necessary: "0" = device
expecting a 01 edge for
enable / "1" = device reacts to
"Level" 
Danger: Drive can start up
independently!
• Check control connections
• Check P509
Pos: 69 4 /Anlei tung en/El ektr onik/FU und Star ter/6 . Meld ungen zum Betr iebs zus ta nd/B etri ebss tör ung en (A uflis tung )/F AQ Betr ie bsst örung en _03 [S K 1 x0E, SK 2xx E, S K 2x xE-FD S] @ 9\mod_1448963505438_388.docx @ 268803 @ @ 1
Motor will not start in spite of
enable being present
• Motor cables not connected
• Brake not ventilating
• No setpoint specified
• Incorrect setpoint source setting
• Check connections and supply
cables
• Check control elements
• Check P510
Pos: 69 5 /Anlei tung en/El ektr onik/FU und Star ter/6 . Meld ungen zum Betr iebsz usta nd/Betr iebss tör ungen (Auflis tung) /FAQ Betrie bsstör ungen _04 [S K 1xxE, SK 2xxE, SK xxxE-FD S] @ 9\mod_1448963501354_388.docx @ 268770 @ @ 1
Device switches off without
error message when load
increases (increased
mechanical load / speed)
• Mains phase missing
• Check connections and supply
cables
• Check switches / fuses
Pos: 696 /A nleit ung en/El e ktr onik /FU und Star ter /6. M eldung en zu m B etrie bsz ust and /Betr ie bss tör ung en (A ufli st ung) /FA Q B etri ebss tör ungen _05 [S K 1x0E, SK 2xxE, S K 2xxE-FD S] @ 9\mod_1448963497620_388.docx @ 268737 @ @ 1
Motor rotating in wrong
direction
• Motor cable U-V-W interchanged
• Motor cable Switch 2 phases
• Alternatively:
– Switch parameter P420
right / left enable functions
– Switch control word bits
11/12 (with bus actuation)
Pos: 69 7 /Anlei tu nge n/El ektr oni k/FU un d St art er/6 . M eld ung en z um B etr iebs zus ta nd/B etri ebss tör ung en (A uflis tung )/F AQ Betr ie bsst örung en _06 [SK 1x0, SK 2xxE, SK 2xxE-FDS ] @ 9 \mod_1448963480910_388.docx @ 268704 @ @ 1
Motor not reaching required
speed
• Maximum frequency parameter setting
too low
• Check P105
Pos: 69 8 /Allg emein/ Allg emeing ültig e Mod ule/---------Sei tenumbr uch ko mpakt --------- @ 13\mod_1476369695906_0.docx @ 2265495 @ @ 1