Transmission Error Between Indoor And Outdoor Unit - Daikin SkyAir GQI-Eco Series Service Manual

SiBE281013

4.32 Transmission Error between Indoor and Outdoor Unit

U4
Remote
Controller
Display
Applicable RZQG
Models
Method of Error The error is generated when the micro-processor detects that the transmission between the
indoor and the outdoor unit is not normal over a certain amount of time.
Detection
Error Decision When the transmission is not carried out normally over a certain amount of time.
Conditions
Supposed
Causes
Service Diagnosis
Wiring indoor-outdoor transmission wire is incorrect
Defective indoor unit PCB
Defective outdoor unit PCB
Burning out fuse
Defective outdoor fan motor
External factor (Noise, etc.)
Defective power supply
Disconnection of optional equipments
Troubleshooting by Remote Controller
153