Uh" Malfunction Of System, Refrigerant System Address Undefined - Daikin RXYQ72 Serivce Manual

Troubleshooting by Indication on the Remote Controller
2.54 "UH"
Malfunction of System, Refrigerant System Address
Undefined
UH
Remote
Controller
Display
Applicable All models of indoor units
RXYQ72M, 96M
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
192
Improper connection of transmission wiring between indoor - outdoor unit and outdoor - outdoor
unit.
Defect of indoor unit PC board
Defect of outdoor unit PC board (A1P)
SiUS39-601
Troubleshooting