How to Repair Solar Inverter 5KVA - Fault Code : 09

00:00 causes of Fualt 09
00:10 Failure status explosion mosfet
00:27 disassembly of heatsink (buck mosfet and diode)
00:57 disassembly of heatsink (battery side components)
01:12 check and desolder buck mosfet’s and diode
03:45 cleaning PCB
04:12 disassembly of heatsink (reversed protection circuit)
04:45 desolder and check battery side components
07:32 check the dc-bus capacitors
08:00 cleaning PCB
09:10 check mosfet’s drivers
14:15 check of the mosfet drivers output
15:16 replacement mosfet’s and IC
19:15 testing before final assembly
19:55 final assembly

#انفرتر
#فولترونك
#solar
#inverter
#Voltronic
#AC_DC
#5000VA
#5000KW


Repair Solar Inverter 5KVA
INVERTER CHARGER
Model Name: 5kva - 48
Inverter Mode
Rated Power 5000 VA / 4000 W
Solar Charger Mode
Rated Current 60 A
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Fualt Code : 09
Fualt event : Bus Soft Start Failed
Some causes of Fualt 09
1-The aging of the elements
2-Shortness occurs on the output
3-Significantly frequent overload
4-Electricity returned to the inverter output