Transmission Error Between Indoor And Outdoor Unit - Daikin RZQG71L9V1 Service Manual

ESIE15-13C

4.34 Transmission Error between Indoor and Outdoor Unit

U4
Remote
Controller
Display
RZQG
Applicable
Models
The error is generated when the micro-processor detects that the transmission between the
Method of Error
indoor and the outdoor unit is not normal over a certain amount of time.
Detection
When the transmission is not carried out normally over a certain amount of time.
Error Decision
Conditions
 Wiring indoor-outdoor transmission wire is incorrect
Supposed
 Defective indoor unit PCB
Causes
 Defective outdoor unit PCB
 Burning out fuse
 Defective outdoor fan motor
 External factor (Noise, etc.)
 Defective power supply
 Disconnection of optional equipments
 Connector is defective (X806A)
Service Diagnosis
Troubleshooting by Remote Controller
173