Gree 30,000 BTU 20 SEER Ceiling Cassette Ductless Mini Split Air Conditioner Heat Pump 208/230V
- ...ically scan for unacceptable operating conditions or malfunctions. If such conditions occur, the system takes corrective action or stops. The fault code will be shown on the indoor, outdoor and wired controller displays. Problems and system status are displayed with comprehensive diagnostic codes to simplify system troubleshooting and shorten repair times..