The inverter's buzzer keeps buzzing after being struck by lightning about BP series 4000W 48VDC 110VAC

Model

BP series pure sine wave inverter  6000W 48VDC 110VAC


Description

The inverter is normal after being struck by lightning, but its buzzer keeps buzzing.


Fault Causes

1. N3/R43 is damaged

2. breakover/short circuit


Solutions and steps:

solution 1:

1. Remove all wire from BP series with charge, include battery and AC output.

2. Clear surface dust.

3. Uninstall screws from Front and rear panels.

4. Open the top cover.

5. Find the damaged parts.

6. Change U3, N6 parts.

7. Close the top cover and run it.




solution 2:

1. Remove all wire from BP series with charge, include battery and AC output.

2. Clear surface dust.

3. Uninstall screws from Front and rear panels.

4. Open the top cover.

5. Find the damaged parts.

6. remove the buzzer.

7. Close the top cover and run it.




If the problem can\'t solve, please contact us.