nord NORDAC START Series, Руководство пользователя

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NORDAC START (SK 135E / SK 175E) – Users Manual for Motor Starters
104 BU 0135 en-4118
6.4 FAQ operational problems
Fault Possible cause Remedy
Device will not start (all LEDs
off)
• No mains voltage or wrong mains
voltage
• No 24 V DC control voltage
• Check connections and supply
cables
• Check switches / fuses
Device does not react to
enabling • Control elements not connected
• Right and left enable signals present
simultaneously
• Enable signal present before device
ready for operation (device expecting a
0

1 flank)
• Restart inhibit is active
• Blocking time for reversing is active
• Reset enable
• Change over P428 if
necessary: "0" = device
expects a 0

1 flank for enable
/ "1" = device reacts to "Level"

Danger: Drive can start up
independently!
• Check control connections
• Check P130
• Check DIP switch S1-DIP1
Motor will not start in spite of
enable being present
• Motor cables not connected
• Brake not ventilating
• Check connections and supply
cables
Device switches off without
error message when load
increases (increased
mechanical load / speed)
• Mains phase missing
• Check connections and supply
cables
• Check switches / fuses
Motor rotating in wrong
direction
• Motor cable: U-V-W interchanged
• Motor cable Switch 2 phases
• Alternatively:
– Swap parameter P420
functions right / left enable
Table 13: FAQ operational problems