Improper Combination Of Indoor And Outdoor Units, Indoor Units And Remote Controller - Daikin VRV II-Q RQYQ8-48PY1B Service Manual

Troubleshooting by Remote Controller
2.38 Improper Combination of Indoor and Outdoor Units,
Indoor Units and Remote Controller
UA
Remote
Controller
Display
Applicable All indoor unit models
RQYQ-PY1B
Models
Method of Error A difference occurs in data by the refrigerant type between indoor and outdoor units.
The number of indoor units is out of the allowable range.
Detection
Error Decision The error decision is made as soon as either of the abnormalities aforementioned is detected.
Conditions
Supposed
Causes
168
Excess of connected indoor units
Defective outdoor unit PCB (A1P)
Mismatching of the refrigerant type of indoor and outdoor unit.
Setting of outdoor unit PCB was not conducted after replacing to spare PCB.
SiBE341027
Service Diagnosis