37MGRA EH 0b(IDU Main Control Board and Display Board Communication Error Diagnosis and Solution)

Codes de diagnostic couverts

EH 0B

Description: Indoor PCB does not receive feedback from the display board. Recommended parts to prepare: Communication wire, Indoor PCB, Display board Troubleshooting and repair:

Flux de travail de dépannage

EH 0b(IDU Main Control Board and Display Board Communication Error Diagnosis and Solution) workflow — EH0b(IDU Main Control Board and Display Board Communication Error 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.