Viessmann E0

High

Vitocal — E0 LON participant: 'no communication via LON with the participant' — loss of communication with a SPECIFIC LON device (identified by system/participant number), not a blanket 'no LON communication at all'.

Viessmann E0: E0 LON participant: 'no communication via LON with the participant' — loss of communication with a SPECIFIC LON device (identified by system/participant number), not a blanket 'no LON communication at all'. This fault noticeably affects operation.

Possible causes

Connection to LON participant disturbed.
Wrong system/participant number.

Check steps

Run participant check, verify numbers (7798/7777).
Check terminals & LON cables.

Affected parts

LON-Verbindungsleitung
Abschlusswiderstand LON

Safety note

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Source: Viessmann resmi servis kılavuzu — DÜZELTİLDİ: Viessmann Vitotronic 200 Typ WO1C Serviceanleitung für die Fachkraft (doc no. 5687 203 DE), section "Störungsbehebung — Meldungen (Fortsetzung)", entry "E0 LON-Teilnehmer": "Keine Kommunikation über LON mit dem Teilnehmer" / Ursache: "Verbindung zum LON-Teilnehmer ist gestört." /…

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

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