Power Wiring Error (Adv. Code 1)
Vacon · X4 AC Drive
What does 31 mean?
This fault occurs if an IOC (Internal Overcurrent) fault is detected during the power wiring test, indicating a problem with the drive's power wiring. This signifies a serious wiring discrepancy or an internal component issue that could lead to immediate overcurrent conditions and damage.
Complete Troubleshooting Guide
- 1
Power down the drive and meticulously check all input and output power wiring for any misconnections, shorts, or loose terminals.
- 2
Verify that no input power wiring is connected to the load power terminals, which can instantly cause an internal overcurrent.
- 3
If the wiring appears correct, contact the factory, as an internal component failure might be present, especially related to the drive's overcurrent detection during power-up or wiring tests.