Gree GWC09NA-D3NNA3A/I User Manual

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9.3.3 C5 Malfunction
C5 is displayed
on the unit.
Is there jumper cap on the
controller?
Install a matching
jumper cap.
No
Is the jumper cap inserted
incorrectly or improperly?
Re-insert the jumper
cap
The mainboard is
defined abnormal
replace it
Yes
No
Yes
End
Is the
malfunction
eliminated?
No
No Yes
Replace the jumper
cap
No
Ye
Yes
s
Is the
malfunction
eliminated?
Is the
malfunction
eliminated?
Possible causes:
1. There is no jumper cap on the controller;
2. Jumper cap is not inserted properly and tightly;
3. Jumper cap is damaged;
4. Controller is damaged.
See the
chart below:

Gree GWC09NA-D3NNA3A/I Specifications

General

Brand	Gree
Model	GWC09NA-D3NNA3A/I
Category	Air Conditioner
Language	English