Chapter 7 Trips and Fault Finding
The drive may trip in order to protect itself. To restart the drive, you will need to clear the trip(s). This
chapter provides a list of trips, as displayed by the keypad
Trips and Fault Finding
• Trips
What Happens when a Trip Occurs
Fault Finding
Initial Troubleshooting Procedure
Calibration Checks
Alarm Messages
Hexadecimal Representation of Trips
Power Board LED Trip Information (Frame 4, 5, 6 & 7)
• Using the Keypad to Manage Trips
• Hardware Troubleshooting
Control Power Missing
Field Fail Procedure
Contactor Failed Procedure
SCR Troubleshooting
Motor Checks
• Common Performance Problems
• Test Points
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