20 Nov 108 Posted at 00:30h in Technical Soporte by 0 Likes Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE C4 Solution: JUMPER CAP NEEDS TO BE INSTALLED Cause: MALFUNCTION OF JUMPER CAP OF OUTDOOR UNIT Remarks: DESCRIPTION: *AC UNIT IN HEATING MODE: COMPLETE UNIT STOPS OPERATION. *AC UNIT IN OTHER MODES: OUTDOOR UNIT STOPS OPERATION. REPAIR: 1) JUMPER CAP OF OUTDOOR UNIT HAS NOT BEEN INSTALLED