Diagnostics
GB-41
03/01 AWB823-1279-D/GB/F
English
Diagnostics
Faults and remedies
No communication with the drive controller
Cause
Remedy
The drive controller is switched off
• Operating state LEDs for drive controller are
not lit or flashing.
• Green Vcc LED is flashing.
Connect drive controllers to the power supply (see
drive controller manual)
DE4-COM-2X interface module not connected
to power supply.
• Green Vcc LED is not lit.
• Green Vcc LED does not flash.
If the power supply to the interface module is
provided internally by the drive controller, check
correct connection between interface module and
drive controller.
If the power supply is external, check the voltage
on the + and – terminals with a voltmeter. The
voltage must lie between 15 and 30 V.
DE4-COM-2X has not initialised with the drive
controller.
• Green Vcc LED is flashing.
Connect drive controller to the power supply (see
drive controller manual)
Check correct connection between the interface
module and drive controller.
Summary of Contents for DE4-COM-2X
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