Troubleshooting 27 Forecast of Cause :OKOKOKAbnormal Noise (Outdoor)1. Abnormal installation2. Fan failure3. Compressor failureDiagnosis method when Abnormal Noise is occurredIs 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 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)03-30