FOX ECS2900-H3cube - BMS status LED red flashing plus beeping sound

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scout711
Posts: 3
Joined: Sun Jan 28, 2024 9:03 am

Hello.
Our FOX ECS2900-H3cube - BMS status LED is "red flashing" plus we have a beeping sound. I added 2 photos, but the flashing red light of the BMS led are not shown on them properly.

Fox APP shows battery status 99%.

I cannot find info in the manuals about how to solve the problem. Do I just push the power button, wait for 10 seconds and then switch it back on again?

I already contacted the company which installed the system, but it's weekend, and they are not responding.

Thanks in advance for your help.

Best
S.
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Dave Foster
Posts: 1311
Joined: Thu Oct 13, 2022 7:21 pm

Yes power it off (power button), turn off the isolator (DC switch on the battery), give it a minute and then power back on again - if that doesn’t resolve it, it will need your installer or FoxESS support to have a look at the cause of the error.
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scout711
Posts: 3
Joined: Sun Jan 28, 2024 9:03 am

Hello Dave. Thanks for the response.
After turning it of and switching off the DC switch.

after 1 minute.... do I switch the DC switch on again and then the round silvery button?
Thanks.
Dave Foster
Posts: 1311
Joined: Thu Oct 13, 2022 7:21 pm

first the DC switch back on (that basically re-connects the battery), then press the power button (that starts the battery system up)
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scout711
Posts: 3
Joined: Sun Jan 28, 2024 9:03 am

Hello Dave. thank you so much for the quick response.
I tried it, and it looks like it worked. YAY!!!
The upper led is now green again and the beep sound is gone.

Have a great day.
s.
Dave Foster
Posts: 1311
Joined: Thu Oct 13, 2022 7:21 pm

Great, glad it's ok now.

These things do happen from time to time, but best to keep an eye on it :)
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