7 maloperation of the drive, Maloperation of the drive, 9diagnostics & error management – Lenze 8400 motec User Manual
Page 294
9
Diagnostics & error management
9.7
Maloperation of the drive
294
Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05
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9.7
Maloperation of the drive
Maloperation
Cause
Remedy
Motor does not ro-
tate
Mains voltage at switch-on < 320 VAC
• LED status display is permanently yellow
Check mains voltage
Supply controller with 400 VAC
DC-bus voltage is too low
• lED status display is blinking red
Check mains voltage
Controller is inhibited
• LED status display is blinking green
Deactivate controller inhibit
• Note: Controller inhibit can be set via sev-
eral sources !
•
displays all active sources for con-
troller inhibit.
Automatic start is inhibited
LOW/HIGH edge at RFR
If required, correct auto-start option in
Auto-start option "Inhibit at power-on"
DC-injection braking (DCB) is active
Deactivate
Mechanical motor brake is not released
Release mechanical motor brake manually or
electrically
Quick stop (QSP) is active
Deactivate quick stop
• Note: Quick stop can be set via several
sources!
•
displays all active sources for
quick stop.
Setpoint = 0
Select setpoint
Setpoint = 0 with activated fixed setpoint
Set fixed setpoint in
Fault active
Clear fault
There is no EPM slot on the drive unit or the
memory module is defective
• LED status display is blinking red and yel-
low
• If a memory module has been provided:
Plug the memory module into the slot of
the drive unit intended for this purpose.
• If a memory module has been provided:
Check if the memory module has been
plugged in correctly. Replace a defective
memory module.
Switch-on command in the wDriveControl
control word is missing
Control the status of the control word in
. Ensure that bit 0 and bit 3 are set
in the control word.
Control configuration of the control word in-
put in
.
Assignment of several mutually exclusive
functions with a signal source in