UPS (Uninterruptible Power Supply) Repair Forum

Ask

Learn How It Works Ask a Question

Only 1 of 3 questions in the past 3 months has no reply - Help answer it!

66%

All Questions

UPS (Uninterruptible Power Supply) questions

clear

1 Answer

Repair or source a UPS transformer?

APC Smart-UPS 1 Answer

DanJ 495.8k

Answer edited

16 hours agoDec 11, 2025

answer edited 16 hours agoDec 11, 2025 by DanJ

1 Answer

ups not on online mode

UPS APC RS 1000 1 Answer

Luca Paolini

Commented

Sep 23, 2025

commented Sep 23, 2025 by Luca Paolini

0 Answers

My PC's UPS ZEB-U725 gets off while running

unanswered UPS (Uninterruptible Power Supply) 0 Answers

jayeff 521.3k

Marked as duplicate

Sep 22, 2025

marked as duplicate Sep 22, 2025 by jayeff

0 Answers

My PC's ups gets off while running

unanswered UPS (Uninterruptible Power Supply) 0 Answers

jayeff 521.3k

Marked as duplicate

Sep 22, 2025

marked as duplicate Sep 22, 2025 by jayeff

0 Answers

Issue UPS even OFF

unanswered UPS (Uninterruptible Power Supply) 0 Answers

Yann Ziolkowski

Edited by author

Aug 23, 2025

edited by author Aug 23, 2025 by Yann Ziolkowski

5 Answers

Overload alarm lights and sound

accepted UPS APC RS 1000 5 Answers

zakir hussen

Commented

Jul 26, 2025

commented Jul 26, 2025 by zakir hussen

4 Answers

Ups not charging the battery

accepted UPS (Uninterruptible Power Supply) 4 Answers

jonwz

Commented

Apr 25, 2025

commented Apr 25, 2025 by jonwz

0 Answers

kenpa sleep mode pada komputer ketika dinyalahkan

unanswered CyberPower 1000PFCLCD UPS 0 Answers

Usep Komarudin Rahmat

Asked

Feb 10, 2025

asked Feb 10, 2025 by Usep Komarudin Rahmat

0 Answers

Why isn't my UPS turning on?

unanswered UPS (Uninterruptible Power Supply) 0 Answers

Dominic miranda

Edited by author

Dec 4, 2024

edited by author Dec 4, 2024 by Dominic miranda

1 Answer

Check the correct functioning of the PCBA

accepted UPS (Uninterruptible Power Supply) 1 Answer

Piero Sabino 733

Edited by author

Sep 11, 2024

edited by author Sep 11, 2024 by Piero Sabino

1 Answer

Zebronics UPS not working.

UPS (Uninterruptible Power Supply) 1 Answer

Sandip

Answer edited

Sep 10, 2024

answer edited Sep 10, 2024 by Sandip

0 Answers

Why is Not charging?

unanswered Luminous Cruze 2 KVA Pure Sine Wave UPS 0 Answers

MD SAHIDUL HOQUE

Asked

Sep 4, 2024

asked Sep 4, 2024 by MD SAHIDUL HOQUE

0 Answers

Installed in computer and still won’t turn on

unanswered Lorem ipsum dolor sit amet 0 Answers

[deleted] 127

Answered

Aug 30, 2024

answered Aug 30, 2024 by [deleted]

0 Answers

Whys my UPS isn't turning

unanswered APC Smart-UPS SMT1500RM2UC 0 Answers

oldturkey03 835.9k

Commented

Aug 5, 2024

commented Aug 5, 2024 by oldturkey03

0 Answers

Wire ko connect kese kare

unanswered APC UPS 0 Answers

oldturkey03 835.9k

Commented

Jul 14, 2024

commented Jul 14, 2024 by oldturkey03

0 Answers

legrand ups EPO error

unanswered UPS (Uninterruptible Power Supply) 0 Answers

Gaber Boraey

Asked

Jul 12, 2024

asked Jul 12, 2024 by Gaber Boraey

2 Answers

Identifying & Disabling piezoelectric component in Liebert GXT3 UPS

accepted UPS (Uninterruptible Power Supply) 2 Answers

Tetelestai07

Accepted an answer

Jun 19, 2024

answer accepted Jun 19, 2024 by Tetelestai07

0 Answers

Why is the UPS fan turning on continuously?

unanswered UPS (Uninterruptible Power Supply) 0 Answers

jayeff 521.3k

Commented

Jun 14, 2024

commented Jun 14, 2024 by jayeff

0 Answers

After switching on the ups doest not shutdown?

unanswered UPS (Uninterruptible Power Supply) 0 Answers

mike 31.1k

Commented

May 29, 2024

commented May 29, 2024 by mike

5 Answers

Back-UPS Pro 1500 - Error: F05

accepted UPS (Uninterruptible Power Supply) 5 Answers

BLD55

Answered

May 13, 2024

answered May 13, 2024 by BLD55