Fujitsu ARU7RLF Service Instruction

Also see for AGU12RLF: Design & technical manual Service manual Service instructions Service instructions Design & technical manual

Trouble shooting 34 Forecast of Cause :Trouble shooting 35 Forecast of Cause:OKPSIAbnormal Noise1. Abnormal installation (Indoor/ Outdoor)2. Fan failure (Indoor/ Outdoor)3. Compressor failure (Outdoor)Diagnosis method when Abnormal Noise is occurredAbnormal noise is coming from Indoor unit.(Check and correct followings)Is Fan broken or deformed?Is the screw of Fan loose?Is there any object which obstruct the Fan rotation?Is Main Unit installed in stable condition?Is the screw of Fan loose?Is there any object which obstruct the Fan rotation?Is Main Unit installed in stable condition?Is Fan Guard installed normally?Check if vibration noise by loose bolt or contact noiseof piping is happening.Is Compressor locked?>> Check Compressor (PARTS INFORMATION 1,2)Water Leaking 1. Erroneous installation 2. Drain hose failureDiagnosis method when water is spitting out.Is the filter clogged?Check Gas pressure and correct itif there was a gas leak.Diagnosis method when water leak occursIs Drain hose connection loose?Is there a trap in Drain hose?Is Drain Hose clogged?Is Main unit installed in stable condition?Is Fan rotating?02-38Is Main unit broken or deformed at the time oftransportation or maintenance?Is Fan broken or deformed?Is the installation of Air suction grille andfront panel normal?Abnormal noise is coming from Outdoor unit.(Check and correct followings)PSIOKOKOKOKOKOKOKOK