Mitsubishi Electric 2033 G Series Error UF171: DC voltage abnormal

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

Error codeUF171

DC voltage abnormal when DC overvoltage or reversal voltage is detected. The manual's first action is: “CALL SERVICE ENGINEER”

Model
Mitsubishi Electric 2033 G Series
Display shows
DC voltage abnormal (UF171)
Type
Error code
Source
Manual p. 41

What UF171 means

DC voltage abnormal p. 41

Common causes

  • DC over voltage or DC reversal voltage detected 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 UF171 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 UF171; 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.