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9002

Event 9002 — SMA Grid Guard code invalid

SMA · Sunny Boy Inverters

What does 9002 mean?

The SMA Grid Guard code entered to unlock protected operating parameters is incorrect.

Common Causes

  • Incorrect SMA Grid Guard code entered
  • Typographical error when entering the code

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Carefully re-enter the correct SMA Grid Guard code.

  2. 2

    Ensure you are using the correct code from your certificate 'Application for SMA Grid Guard Code'.

  3. 3

    If you continue to have issues, verify the code with your installer or SMA Solar.

Browse all codes in this manual (70)
Verified technical data. Last updated: April 2026

Related Faults

!PV-Overvoltage!!PV-Overvoltage! !DISCONNECT DC! — Overvoltage at DC input10251Event 10251 — Communication status to network switch or DHCP server changed10252Event 10252 — Communication disrupted
Source: SMA Sunny Boy Inverters
Open Manual (Page 73)Search more codes in this manual