FoxESS Community - Owners & Installers Forum

Posted: **Tue Aug 26, 2025 4:48 pm**

in V1.1.5 of the API, fox added: Add interface for obtaining communication device signal strength

Anybody have any luck in using this new endpoint?

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/op/v0/module/getSignal

I've tried sending both my deviceSN and moduleSN.

with inverter SN the response is:

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Response status: 200
Response data: {
  "errno": 41935,
  "msg": "Device offline, Please connect and retry",
  "result": null
}

with moduleSN the response:

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Response status: 200
Response data: {
  "errno": 41200,
  "msg": "Failed to load data. Please check your network or retry",
  "result": null
}

Posted: **Tue Aug 26, 2025 5:03 pm**

What data logger do you have - Wifi or LAN?

With a LAN data logger, using the moduleSN, I get the same result as you - 41200: Failed to load data. Don't know if this is because the call doesn't work or because it only works on specific types of data logger.

If you call get data logger list instead, you do get a signal value as part of the result though. With the LAN data logger, this is normally 0.

Posted: **Tue Aug 26, 2025 5:29 pm**

I have a Wifi version. type: WW firmware: 2.00.

didn't realise it was also in the /op/v0/module/list endpoint, thank you for pointing that out!

FoxESS Community - Owners & Installers Forum

Obtaining communication device signal strength

Obtaining communication device signal strength

Re: Obtaining communication device signal strength

Re: Obtaining communication device signal strength