Improper Combination Of Indoor And Outdoor Units, Indoor Units And Remote Controller; Indoor Units And Remote Controller - Daikin VRV III REYQ8PY1 Service Manual

Si37-701
UA
3.53 " "
Improper Combination of Indoor and Outdoor Units,

Indoor Units and Remote Controller

UA
Remote
Controller
Display
Applicable All models of indoor unit
REYQ8P~48P
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
Incorrect signals are transmitted among the indoor unit, BS unit, and outdoor unit.
Detection
Malfunction The malfunction decision is made as soon as either of the abnormalities aforementioned is
detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
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.
Troubleshooting by Indication on the Remote Controller
323