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Störungen / Fehler


Kessel Typ ATI-540H-N Indoor (T-H3-DV)

Störungscode 661

Ursach:

Bypass valve fault (540 (T-H3) model only)

LÖsung:

• Inspect the bypass valve (Part #403), for connection/ breakage of wires, locked motor drive due to scale buildup, and/or water leakage.