Repairing PCE UPS MX 3000VA/2700W: Fault Code 01 & Output High Voltage

we have Online UPS 3000 watts
the user said that the ups was in old poor incomplete maintenance
There was an attempt to fix the high output voltage fault
The old maintenance Cuse another Fault code 01
but we have fixed all faults
Please watch the video completely to get to know everything new

[@crymeforeverlo3402]

شغل استذة وخبرة عالية جدا..بارك الله فيكم وجزاكم الله خير...

[@suneeshkh7698]

Sir, I have two suggestions 1)Use electric screwdriver which helps to speed up your work 3X. 2)Avoid metal watch while repairing. Thank You 👍

[@ALayoubiMaintenanceCenter]

Thanks for your suggestions..

[@gumnahs]

Very good sir 👍

[@leonstoian9061]

Super😊

[@ALayoubiMaintenanceCenter]

💐💐

[@orlandoponce9200]

Good

[@usttadismaeel3529]

Good sir g

[@gaberboraey5477]

What function of lm324?

[@slayer21]

are these pce ups reliable?

[@bilalpathan3192]

Sir bus voltage increased & show fault code 01

[@takiabpzakor3143]

كيف الانتساب للقناة من سوريا

[@MohammadAdnanElectronics]

your test meter model?