Applicable Systems
Vacon 100
Symptoms
Overvoltage: DC link voltage exceeds limit.
Possible Causes
- Deceleration too fast
- No brake chopper
- Mains voltage too high
Troubleshooting Steps
- Step 1: Increase deceleration time
No overvoltage trip - Step 2: Connect brake resistor
DC link voltage controlled - Step 3: Check mains voltage
Voltage within rated range
How to Reset
Reset via control panel after resolving overvoltage.
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Source: Vacon NXP Quick Guide, Danfoss/Vacon
Category: PLC & VFD
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