Emotron VSU Error 15: oL3

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

Fault code15

The system detected an abnormal condition in the input power supply, motor output, or inverter module. The manual's first action is: “Check input power grid voltage”

Model
Emotron VSU
Display shows
oL3 (15)
Type
Fault code
Source
Manual p. 253

What 15 means

oL3 p. 253

Common causes

  • Input power supply abnormal p. 253
  • Motor output abnormal p. 253
  • Inverter module abnormal p. 253

What to do

  1. Check input power grid voltage p. 253
  2. Check the motor or motor connection p. 253
  3. Seek services p. 253

Before you service the product, read the safety instructions in the manual p. 7.

If 15 is still not resolved

  • Seek services p. 253
    “Seek services”
Open the manual at page 253 All VSU error codes Manual details & download

This page summarises what the manufacturer’s manual says about 15; 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 Emotron. Found a mistake? Report an error.