EB3 - AC outlet turns off when charge reaches 100%

Product Discussion BLUETTI Elite & EB Series
1

Hello support team. I’ve had my EB3 for a few months; for the past month there have been regular power shutdowns in my area. Since last week, my EB3 started behaving very annoyingly.
It is working in UPS mode, powering my router and a mini PC with a total load of about 19-20W on average.
When power goes down it switches to battery seamlessly. When the power is back on, it starts charging also without issues.

However, the moment the battery reaches 100% charge, the device powers off the AC outlet. I have to wait for a few seconds and turn it on manually via button or via the app.

This is insanely annoying. My firmware is up to date according to the app, the device is not overheating, the fan is off when this issue happens (it turns on periodically during charge and discharge so I know it’s working).
One time when the issue happened I saw error code “4-01” when pressing the flashlight and AC buttons.
Can you please help me resolve this issue? I saw some mentions that 4-01 might be a software error rather than a hardware problem.

1 Like
2

Hello,

Please follow these steps:

  1. Disconnect all loads and then restart the machine.
  2. Check if the machine is connected to a distribution box. If it is, ensure that a transfer switch is in place to isolate the machine’s AC output from the grid; otherwise, the machine will report an error.
  3. If the machine still reports a related short circuit error when unloaded after a restart, it will need to be sent for repair.

If you have any further questions, please feel free to contact me!