How to troubleshoot or setup starting with a hard reset of a Panasonic Air Conditioner and remote to factory default settings if it is not working or not connecting or if it is frozen or not responding, the factory reset is a good troubleshooting step. You can also restore the factory settings to setup your device as new. Found in the Panasonic Air Conditioner user manual.
For models: CU-2E12SBE, CU-2E15SBE, CU-2E18SBE,CU-3E18PBE, CU-3E23SBE, CU-4E23PBE, CU-4E27PBE, CU-5E34PBE, CU-2RE15SBE, CU-2RE18SBE, CU-3RE18SBE,Order No. PAPAMY1601016CE, PAPAMY1601015CE, PAPAMY1301048CE, PAPAMY1303046CE
