Overvoltage happens when the DC-link voltage exceeds limits, often caused by too short deceleration time or high overvoltage spikes in the supply. The manual's first action is: “Set the deceleration time longer. Use the brake chopper or the brake resistor. They are available as options. Activate the overvoltage controller. Do a check of the input voltage.”
- Model
- Vacon NXS/P
- Display shows
- Overvoltage (2)
- Type
- Fault code
- Source
- Manual p. 150
What 2 means
Overvoltage p. 150
Common causes
- The DC-link voltage is higher than the limits. p. 150
- too short a deceleration time p. 150
- high overvoltage spikes in the supply p. 150
- Start/Stop sequence too fast p. 150
What to do
- Set the deceleration time longer. Use the brake chopper or the brake resistor. They are available as options. Activate the overvoltage controller. Do a check of the input voltage. p. 150
Before you service the product, read the safety instructions in the manual p. 13.
If 2 is still not resolved
- Contact service or dealer for assistance. p. 13 “WARNING! Before you do electrical work, make sure that there is no voltage in the components of the drive.”
- Contact service or dealer for assistance. p. 14 “CAUTION! Do not touch the components on the circuit boards. Static voltage can cause damage to these components.”
This page summarises what the manufacturer’s manual says about 2; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Vacon. Found a mistake? Report an error.