A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL
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Under off-state of the unit, press Mode and ▼ at the same time for 5s, the displayer panel will switch between
Centigrade and Fahrenheit.
4.5 Error Display
If there is malfunction during running of the system, LCD will display error code at temperature–displayed
location. Once there is more than one malfunction, error codes will be displayed circularly. If there are multiple circuit
systems, the system number of failed system will be displayed before the colon (not for single system).
If malfunction occurs, turn off the unit and contact nearest dealer for help.
As shown in Fig.4.5.1, it means high pressure protection of system 2 under unit on.
Fig.4.5.1
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