Mitsubishi FREQROL-2120 Error OC2: Steady speed overcurrent

Inverter · taken from the manufacturer’s manual, pages cited

Alarm codeOC2

Steady speed overcurrent occurs when there's an overcurrent or a short-circuit in the output. The manual's first action is: “Is load changed suddenly? Eliminate sudden load change.”

Model
Mitsubishi FREQROL-2120
Display shows
Steady speed overcurrent (OC2)
Type
Alarm code
Source
Manual p. 32

What OC2 means

Steady speed overcurrent p. 32

Common causes

  • Overcurrent p. 32
  • Is output short-circuited? p. 32

What to do

  1. Is load changed suddenly? Eliminate sudden load change. p. 32

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

If OC2 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Mitsubishi service.

Open the manual at page 32 All FREQROL-2120 error codes Manual details & download

This page summarises what the manufacturer’s manual says about OC2; 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 Mitsubishi. Found a mistake? Report an error.