Uh" Malfunction Of System, Refrigerant System Address Undefined - Daikin FCQ18PVJU Service Manual

Troubleshooting by Indication on the Remote Controller
UH
3.43 " " Malfunction of System, Refrigerant System
Address Undefined
UH
Remote
Controller
Display
Applicable AII indoor unit models
Models RZQ18~30PVJU
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
 Improper connection of transmission wiring between outdoor unit and outdoor unit outside
Supposed
Causes
 Defect of indoor unit P.C.B.
 Defect of outdoor unit P.C.B. (A1P)
141
control adaptor
SiUS28-902_a
Troubleshooting