Improper Combination Of Indoor And Outdoor Units, Indoor Units And Remote Controller; Indoor Units And Remote Controller - Daikin VRV III RXYQ5-54PY1 Service Manual

Troubleshooting by Indication on the Remote Controller
3.49 "UA"
Improper Combination of Indoor and Outdoor Units,

Indoor Units and Remote Controller

UA
Remote
Controller
Display
Applicable All models of indoor unit
RXYQ5P~54P
Models
Method of A difference occurs in data by the type of refrigerant between indoor and outdoor units.
The number of indoor units is out of the allowable range.
Malfunction
Detection
Malfunction The malfunction decision is made as soon as either of the abnormalities aforementioned is
detected.
Decision
Conditions
Supposed
Causes
288
Excess of connected indoor units
Defect of outdoor unit PC board (A1P)
Mismatching of the refrigerant type of indoor and outdoor unit.
Setting of outdoor PC board was not conducted after replacing to spare parts PC board.
Si34-601A
Troubleshooting