Axpert KING 3KVA - Check the MPPT Board

SERVICE MANUAL
3KVA/5KVA-230V
22
V201703A
3.5 Check the MPPT board
Power devices
Parts
Attribute
Reference values
Failure status
Q2, Q3, Q4, Q10, Q11,
Q13
Resistor
GS: 4.964k
GD: 37.2k
DS: 260.0k
Short or explosion
Diode
SD: 0.45V
DS: OL
D8, D49, D48, D47, D24,
D4
Resistor
+ to -: 1.07k
- to +: 1 Meg
Short or explosion
Diode
+ to -: 0.167V
- to +: OL
TVS1, TVS2, TVS3
Resistor
223.3k ohm
Short