Uh " Malfunction Of System, Refrigerant System Address Undefined - Daikin RQYQ140-180PY1 Service Manual

Troubleshooting by Remote Controller
UH
2.41 " " Malfunction of System, Refrigerant System Address
Undefined
UH
Remote
Controller
Display
Applicable All indoor unit models
RQYQ-PY1
Models
RQEQ-PY1
Method of Detect an indoor unit with no auto address setting.
Malfunction
Detection
Malfunction The malfunction decision is made as soon as the abnormality aforementioned is detected.
Decision
Conditions
Supposed
Causes
187
Improper connection of transmission wiring between indoor-outdoor units and outdoor-
outdoor units
Defect of indoor unit PCB
Defect of outdoor unit main PCB (A1P)
SiBE341001
Troubleshooting