Gree GUHD series User Manual

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3.4 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.3.4.1, it means high pressure protection of system 2 under unit on.
Fig.3.4.1
Error code meaning:
Error code Malfunction
E1 High pressure protection of compressor
E2 Indoor anti-freezing protection
E3 Low pressure protection of compressor
E4 High discharge temperature protection of compressor
E5 Compressor overload or drive error
E6 Communication malfunction
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F0 Indoor unit ambient sensor malfunction at air return opening
F1 Evaporator sensor malfunction
F2 Condenser sensor malfunction
F3 Outdoor unit ambient temperature sensor mal
F4 Discharge temperature sensor malfunction
F5 Ambient sensor malfunction on the wired controller (or LED board)

Gree GUHD series Specifications

General

Brand	Gree
Model	GUHD series
Category	Air Conditioner
Language	English