Gree GWH18UC-K3DNA1A/I User Manual

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Start
Did the equipment operate
normally before the failure
occurs?
The AP1 voltage
detection circuit
is at fault
Check wiring inside of
the indoor and outdoor
units
Are wires broken?
Check the communication
circuit of the outdoor unit
If the fault is eliminated?
The communication
circuit is abnormal
Replace the main board
of
the indoor unit
End
If the fault is eliminated?
Replace the main board
AP1 of the outdoor unit
If the fault is eliminated?
Is the connection right?
Check the wiring of the indoor and
outdoor units with reference to the
wiring diagram
Correctly connect the
corresponding wires for
the indoor and outdoor
units with reference to
the wiring diagram

Gree GWH18UC-K3DNA1A/I Specifications

General

Brand	Gree
Model	GWH18UC-K3DNA1A/I
Category	Air Conditioner
Language	English