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Fault tracing
3ADW000379R0501 DCS550 Manual e e
The fault signals will switch the drive off completely or partly depending on its trip level.
Trip level 1:
− main contactor is switched off immediately
− fan contactor is switched off immediately
Trip level 2:
− main contactor is switched off immediately
− fan contactor stays on as long as the fault is pending or as long as FanDly (21.14) is running
Trip level 3:
− main contactor is switched off immediately
− fan contactor stays on as long as FanDly (21.14) is running
At standstill the
− main contactor cannot be switched on again
Trip level 4:
As long as the drive is stopping via FaultStopMode (30.30), the
− main contactor is switched off immediately in case of FaultStopMode (30.30) = CoastStop or DynBraking,
but it stays on in case of FaultStopMode (30.30) = RampStop or TorqueLimit
− fan contactor is switched off immediately in case of FaultStopMode (30.30) = CoastStop, but stays on in
case of FaultStopMode (30.30) = RampStop, TorqueLimit or DynBraking
At standstill the
− main contactor is switched off immediately
− fan contactor stays on as long as FanDly (21.14) is running
Trip level 5
As long as the drive is stopping via any com. loss control [LocalLossCtrl (30.27) or ComLossCtrl (30.28)], the
− main contactor is switched off immediately or stays on depending on the selected com. loss control
− fan contactor is switched off immediately or stays on depending on the selected com. loss control
At standstill
− main contactor is switched off immediately
− fan contactor stays on as long as FanDly (21.14) is running
In case a fault occurs, it stays active until the cause is eliminated and a Reset [UsedMCW (7.04) bit 7] is
given.
For additional fault messages, see SysFaultWord (9.10).
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