Mitsubishi Electric 2033 G Series Error UF303: Control circuit error

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

Error codeUF303

Control microprocessor abnormality causes a Control circuit error. The manual's first action is: “CALL SERVICE ENGINEER”

Model
Mitsubishi Electric 2033 G Series
Display shows
Control circuit error (UF303)
Type
Error code
Source
Manual p. 41

What UF303 means

Control circuit error p. 41

Common causes

  • Control microprocessor abnormality p. 41

What to do

  1. CALL SERVICE ENGINEER p. 41

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

If UF303 is still not resolved

  • Obtain a qualified service for this equipment as per instructions. p. 7
    “Obtain a qualified service for this equipment as per instructions.”

This page summarises what the manufacturer’s manual says about UF303; 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 Electric. Found a mistake? Report an error.