Troubleshooting
6-27
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
LEDs of Motor Controller
LED Operating mode
Green Red
On Off Motor controller enabled
On On Mains switching and automatic start blocked
Flashing Off Motor controller blocked
Off Flashing (every 1 s) Fault message
Motor controller is being parameterized
Off Flashing (every 0.4 s) Overvoltage or undervoltage shutdown
Off Off Missing voltage supply
LED of Overflow Protection Evaluator
LED Fault
Red (LED Full) Flashing Sensor break
Sensor plug disconnected
Operational ground not connected (Refer to section Repair
for correct connection).
Refer to section Repair for additional LEDs and LEDs for level evaluator.
LED of Proportional Valve
LED Operating mode
Red Operating voltage present
Green Pressure achieved
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