Improper Combination Of Indoor Unit And Outdoor Unit, Indoor Unit And Remote Controller - Daikin RXYQ-TA Series Service Manual

SiUS341615E
3.63 Improper Combination of Indoor Unit and Outdoor Unit,
Indoor Unit and Remote Controller
UA
Error Code
Applicable All indoor unit models
All outdoor unit models
Models
Method of Error A difference occurs in data by the type of refrigerant between indoor and outdoor units.
Detection The number of indoor units connected is out of the allowable range.
Error Decision
The error decision is made as soon as either of the abnormalities aforementioned is detected.
Conditions
Supposed
Causes
Service Diagnosis
Excess of connected indoor units
Defective outdoor unit PCB
Mismatch of the refrigerant type of indoor and outdoor unit.
Setting of outdoor unit PCB was not carried out after replacing to spare PCB.
Troubleshooting by Error Code
278