
SERVICE MANUAL
Axpert VM II-5000
and VM II-3000
24
D7/D10:
Diode
+ to -: 0.46V
- to +: OL
Short or explosion
R245
Resistor
22 ohm
Open or other
values
U2
Resistor
PIN7 TO PIN5: 72k
PIN6 TO PIN5: 1.21k
Short or explosion
TX1
Resistor
PIN2 to PIN4: 2.8ohm
PIN7 to PIN9: 1.4ohm
Short or other
values
When 09 fault happens, and you couldn’t find other damage, please check TX1!!
3.8 Check the Boost on MPPT board
Power devices
Boost IGBT Q1/Q6 and Diode D1
The D1 are (30DQ60BG 30A 600V TO-247)
The Q1 and Q6 IGBT are (4063DPBF 48A 600V)