What you will see
- Code 514 alarm
- House consumption shows zero or stops updating
- Export limit not working
Why it happens
The meter sends readings to the inverter over a small communication cable. Loose plugs, a damaged cable or a meter without power break the link.
Diagram
Inverter lost its meter
Linked
Smart meterSending
→InverterKnows the load
Link lost
Smart meterNo data
→InverterCode 514
Solar keeps generating, but export limit and consumption figures are wrong.
What you can check yourself
- Check that the smart meter display is on
- Check whether the alarm started after work near the board
What not to do
- Do not open the meter enclosure
When to call us
- Check and reseat the communication cable and terminals
- Check meter power and settings
- Replace a damaged cable
Monitoring support
We restore meter links and monitoring for Sungrow systems in Faisalabad, Lahore and nearby Punjab towns.
Send us
the alarm screenshot and a photo of the smart meter display