- This topic is empty.
Viewing 1 post (of 1 total)
-
Posts
-
TheAChub
Code Text Description Cause Check Procedure 6603 Bus circuit busy. Wrong cable size/spec. Indoor unit, Lossnay unit or split has been wired into TB7. Check M-Net wiring and cable used. 6603 Transmission cable error Power is supplied to the same transmission cable from two or more power supply units. The power supply unit is connected to TB3 side of the power supply expansion units.
The power supply units connected to the indoor and outdoor transmission cables.
Adjust the wiring of the power supply unit.
Viewing 1 post (of 1 total)
- You must be logged in to reply to this topic.