[ENG SUB] Replace Battery to Fix FO4 Fault Code On ProLink UPS

Hello everyone! In this video I changed the battery of my 3 year old UPS, a ProLink Pro 700SFT, which I bought in March 25, 2019 to provide backup power to my Wi-Fi router. The other day, it beeped continuously, and displayed the F04 Fault Code, which according to the user's manual means that the battery is already dead or severely discharged. I decided to replace it with the same size of battery and that fixed the problem.
The other thing I found out is that even though it's nameplate rating says that it's output frequency was 50Hz, when I tested it with a Hioki CM3286 AC Power Clamp Meter, the output was actually 60Hz. This is good since it is the same as the local utility service voltage of 230V, 60Hz, nominal.
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00:10 UPS not working with F04 Fault Code
00:46 Nameplate rating of the Pro700SFT
01:40 Removing the old battery
02:00 Rating of old ProLink battery
02:20 Terminal voltage of old battery
02:45 Replacement battery Newstar 12V DC, 8.0AH
03:08 Terminal voltage of new battery
03:52 Powering up the UPS with new battery
04:11 Testing the UPS with a desk fan
05:17 Actual output voltage and frequency on battery power

[@Dinesh-Bhardwaj]

How to repair F06 error

[@ramschannelreviews]

Sorry, I can't find any reference to F06 error code for this model, ProLink Pro 700SFT.

[@Dinesh-Bhardwaj]

@@ramschannelreviewsmodel is APC BR1500 BACK-UPS PRO

[@ramschannelreviews]

@@Dinesh-Bhardwaj According to online sources, F06 error code for that model indicates Relay Weld problem and cannot be corrected by user. Suggest to contact APC technical support for assistance.

[@josipjovica4463]

​@@ramschannelreviews😅