Gewiss 8

Brand: GewissModel: JOINON I-CON EVO / I-ONError code: 8

What the Fault Means

ENERGY METER COMMUNICATION KO — enerji sayacı ile Modbus haberleşmesinde arıza.

Likely causes

  • Modbus okuma hatası; hata art arda 3 hatalı okumadan sonra tetiklenir.

Solution and Safe First Checks

  1. Modbus hattını, sayaç beslemesini ve adreslemeyi kontrol edin. 1 doğru okuma sonrasında hata otomatik olarak silinir.

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

Related Gewiss error codes

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