37MGRA EH b3 (Communication Malfunction Between Wire and Master Control) Diagnosis and Solution

Codes de diagnostic couverts

EH B3

Description: If Indoor PCB does not receive feedback from wired controller, the error displays on the wired controller Recommended parts to prepare: Connection wires, Indoor PCB, Wired controller

Flux de travail de dépannage

EH b3 (Communication Malfunction Between Wire and Master Control) Diagnosis and Solution workflow — EHb3 (Communication Malfunction Between Wire and Master Control) Diagnosis and Solution workflow

Source du flux de travail : manuel de service d'origine 37MGRA-02SM PDF. Noms des codes d'erreur recoupés avec 37MGRA-04SI.