Vacon NXS/P Error 14: Frequency converter overtemperature

AC drive · taken from the manufacturer’s manual, pages cited

Fault code14

Frequency converter overtemperature is triggered if the heatsink exceeds 90 °C (194 °F) or 85 °C (185 °F), depending on model, requiring cooling and ambient checks. The manual's first action is: “Do a check of the actual amount and flow of cooling air. Examine the heatsink for dust. Do a check of the ambient temperature. Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load.”

Model
Vacon NXS/P
Display shows
Frequency converter overtemperature (14)
Type
Fault code
Source
Manual p. 152

What 14 means

Frequency converter overtemperature p. 152

Common causes

  • Heatsink temperature is over 90 °C (194 °F) for 77°C (170.6 °F), NX_6, FR6). Over-temperature alarm is issued when the heatsink temperature goes over 85 °C (185 °F) (72 °C (161.6 °F)). p. 152

What to do

  1. Do a check of the actual amount and flow of cooling air. Examine the heatsink for dust. Do a check of the ambient temperature. Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load. p. 152

Before you service the product, read the safety instructions in the manual p. 13.

If 14 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 14; 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.