Daikin FAQ71CVEB Service Manual

ESIE15-13B Troubleshooting by Remote Controller
Service Diagnosis 173
4.34 Transmission Error between Indoor and Outdoor Unit
Remote
Controller
Display
U4
Applicable
Models
RZQG
Method of Error
Detection
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.
Error Decision
Conditions
When the transmission is not carried out normally over a certain amount of time.
Supposed
Causes
 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
 Connector is defective (X806A)

Daikin FAQ71CVEB Specifications

General

Brand	Daikin
Model	FAQ71CVEB
Category	Air Conditioner
Language	English