The inverter's buzzer keeps buzzing after being struck by lightning
Model
BP series pure sine wave inverter 4000W 48VDC 110VAC
Description
The inverter is normal after being struck by lightning, but its buzzer keeps buzzing.
Analysis of the possibility of the cause
1. N3/R43 is damaged.
2. breakover/short circuit.
Solutions and steps:
1. Change U3, N6 parts.
2. Or remove the buzzer.
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