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OFFSET

OFFSET - Grid monitoring self-test failed

SMA · Sunny Boy Series

What does OFFSET mean?

The self-test for the grid monitoring system within the Sunny Boy has failed. This is identified as a disturbance message.

Common Causes

  • Internal grid monitoring system issue.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Record the exact error message displayed.

  2. 2

    Perform a system power cycle: turn off DC, then AC, wait a few minutes, then turn on AC, then DC.

  3. 3

    If the error persists after the power cycle, contact SMA America for assistance.

Browse all codes in this manual (30)
Verified technical data. Last updated: April 2026

Related Faults

Bfr-SrrBfr-Srr - Communication failure between micro-controllersDeratingDerating - Inverter reducing power due to high internal temperatureEEPROMEEPROM - Data read/write failure (non-critical)
Source: SMA Sunny Boy Series
Open Manual (Page 88)Search more codes in this manual