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DC Inverter Floor Ceiling Type Air Conditioner Installation and Operation Manual
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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.19, it means high pressure protection of system 2 under unit on.
Fig. 19
Error code meaning:
Error code
Malfunction
E0
Water Pump Malfunction
E1
High pressure protection of compressor
E3
Low pressure protection of compressor
E4
High discharge temperature protection of compressor
E5
Compressor overload or drive error
E6
Communication malfunction
E9
Water overflow protection
F0
Indoor unit ambient sensor malfunction at air return opening
F1
Evaporator sensor malfunction
F2
Condenser sensor malfunction
F3
Outdoor unit ambient temperature sensor malfunction
F4
Discharge temperature sensor malfunction
F5
Ambient sensor malfunction on Displayer (or LED board)