Export Control: Site Limit - Error sending command to inverter ID 1: Modbus Error: [Input/Output]

[damien1]

Describe the bug

Hi

I have an automation to set export control when the energy price is negative

it was working fine for last 8 months

now its erroring consistently since about a week

Error: Error sending command to inverter ID 1: Modbus Error: [Input/Output] No response received after 3 retries, continue with next request.

Expected behavior

Sitelimit value should be set as per automation

Screenshots

No response

Diagnostic File

config_entry-solaredge_modbus_multi-01J9W7QF2BV5VTACGZGM9XZ0YA.json

Debug logs

Home Assistant Version

2025.8.3

solaredge-modbus-multi Version

3.1.6

Installation Type

HAOS

Read the Instructions

• My configuration follows https://github.com/WillCodeForCats/solaredge-modbus-multi/wiki/Configuration
• I have read the Known Issues https://github.com/WillCodeForCats/solaredge-modbus-multi/wiki/Known-Issues
• This issue is not about a template error (do not report template errors, read https://github.com/WillCodeForCats/solaredge-modbus-multi/wiki/Template-Design-Notes)

Additional Context

No response

[WillCodeForCats]

It's not a bug, just means the inverter didn't respond to the write request.

[damien1]

Thanks ... I did a power cycle / restart on the inverters - that seems to have cleared the comms (no response)

[WillCodeForCats]

I had to dig to remember and find it but someone else reported using this for retrying failures:

https://github.com/amitfin/retry