8 fault, Fault, 4device control (dctrl) – Lenze 8400 BaseLine D User Manual
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4
Device control (DCTRL)
4.2
Device states
62
Lenze · 8400 BaseLine D · Reference manual · DMS 5.5 EN · 01/2014 · TD05
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4.2.8
Fault
In the "Fault" device state
• is the controller if monitoring has caused a "Fault" error response.
• the motor has no torque (is coasting) due to the inhibit of the inverter.
The error must explicitly be reset ("acknowledged") in order to exit the device state, e.g. by the de-
vice command "
".
Related topics:
Basics on error handling in the controller
Error messages of the operating system
LED DRIVE READY
LED DRIVE ERROR
Display in status word 1 (
Bit 11
Bit 10
Bit 9
Bit 8
OFF
Fault
1
0
0
0
Note!
If an undervoltage in the DC bus of the drive controller occurs (error message "LU"), the
device changes to the "
" state.
An additional error of higher priority leads the device into the "
According to the
Device state machine
, the device changes to the "
state after acknowledging the error although the undervoltage is still available!
If in
the "Inhibit at fault" auto-start option is activated, an explicit deactivation of
the controller inhibit is required for leaving the state.