Danfoss VACON 1000 Operating Manual page 144

Operating Guide | VACON® 1000
Fault Code 57 - Startup Cabinet Switch Abnormal Open
Cause
After the drive high voltage is on and the start-up cabinet switch is closed, the start-up cabinet switch opens unexpectedly before the
upstream main circuit breaker opens.
System default operation: Trip
Troubleshooting
Check that the startup cabinet switch is normal.
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Check that the internal cabling is firm and correct.
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Fault Code 58 - Startup Cabinet Switch Open Failure
Cause
The start-up cabinet switch did not open in over 3 s after receiving the opening signal.
System default operation: Trip
Troubleshooting
Check that the startup cabinet switch is normal.
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Check that the internal cabling is firm and correct.
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Fault Code 59 - Startup Cabinet Switch Close Failure
Cause
The start-up cabinet switch did not close in over 3 s after receiving the closing signal.
System default operation: Trip
Troubleshooting
Check that the startup cabinet switch is normal.
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Check that the internal cabling is firm and correct.
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Fault Code 60 - PLC–DSP Communication failure
Cause
Unable to close start-up cabinet. After the drive high voltage is on, and before the start-up cabinet switch is closed, the PLC disconnects
with the main control system.
System default operation: Trip
Troubleshooting
Check the wiring of the communication circuit.
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Fault Code 61 - Auto Bypass Failure
Cause
Bypass cabinet switches did not operate correctly after receiving auto bypass signal.
System default operation: Trip
Troubleshooting
Check that the bypass cabinet switch is normal.
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144 | Danfoss A/S © 2024.12
Fault Tracing
AQ363633621020en-000401 / 172F3117D