Zeror.ai Error Codes Growatt Error 420

Growatt Error 420

Brand: GrowattModel: MOD serisi (MOD 3-15KTL3-X, 3 faz)Error code: Error 420

What the Fault Means

GFCI Module damage - Toprak kaçak akım koruma (GFCI) modülü hasarlı.

Likely causes

  • Dahili sızıntı akımı algılama modülü arızası.

Solution and Safe First Checks

  1. Sızıntı akım modülünü kontrol edin.

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Growatt error codes

Source: the Zeror.ai industrial fault database and Growatt technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.