EL
ErrorLib
Brands
||
  1. Home
  2. SMA
  3. SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
  4. 0205*
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

0205*

Grid frequency change not permitted or synchronization impossible

SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter

What does 0205* mean?

The inverter has detected an impermissible change in grid frequency or is unable to synchronize with the grid. This can prevent the inverter from feeding power into the utility grid. The inverter will shut down and monitor the grid for 30 seconds before attempting to reconnect.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the grid frequency using a frequency meter or power quality analyzer.

  2. 2

    Verify the stability of the utility grid's frequency.

  3. 3

    Check grid connections for any issues that could affect synchronization.

Browse all codes in this manual (29)
Verified technical data. Last updated: April 2026

Related Faults

0103*Grid voltage is too high (redundant monitoring)0104*Grid voltage is too high (standard monitoring)0203*Grid voltage is too low (redundant monitoring)
Source: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
Open Manual (Page 34)Search more codes in this manual