20 Nov 111 Posted at 00:30h in Technical Soporte by 0 Likes Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE E7 Solution: RESTART UNIT Cause: MODE SHOCK/ SYSTEM MODE SHOCK Remarks: DESCRIPTION: COMPLETE SYSTEM STOPS OPERATION. REPAIR: 1) MALFUNCTION OF ONE OR MORE SYSTEMS: SOLUTION 1) THERE MAY BE 2 INDOOR UNITS THAT SET THE SHOCK MODE (SUCH AS ONE IS IN COOLING MODE AND THE OTHER IS IN HEATING MODE). RESTART THE UNIT.