Malfunction Of Transmission System (Between Control Pcb And Inverter Pcb) - Daikin SkyAir Super Inverter 70 D Series Service Manual

SiE25-110
6.30 Malfunction of Transmission system (Between Control
PCB and Inverter PCB)
LC
Remote
Controller
Display
Outdoor Unit LED
Refer to P.132
Display
Applicable
RZP71~140D
Models
Method of Checks and sees whether transmission between control and inverter PC board is carried out
Malfunction normally.
Detection
Malfunction
When the transmission is not carried out in a specified period of time or longer
Decision
Conditions
Supposed
Causes
Troubleshooting
Incorrect transmission wiring between control and inverter PC board/insufficient contact in
wiring
Faulty control and inverter PC board
External factors (noise, etc.)
Troubleshooting by Remote Controller Display / LED Display
171