Gree GMV-615WM/G-X - Page 106

Gree GMV6 DC Inverter VRF Units Service Manual
104
No
"d9" Jumper Ca p Fau lt
Install the jumper ca p
The detection circuit may
operate impro perly
Yes
Replace th e main control
board
Yes
Whether th e j umper cap is
incorrectly numbe red?
Whether the jump er cap is properly
installed at the jump silk screen on the
main board?
Yes
No
Replace th e corresp onding
jumper cap
2.51 "dA" Abnormal Network Address of Indoor Unit
Fault display: wired controller of indoor unit and receiver of indoor unit display
Fault diagnosis:
Check the indoor unit's address chip and IP address. If the address chip cannot be read, the indoor
unit's IP address is 0 and IP addresses conflict, the fault is generated.
Possible causes:
■ Outdoor units' address are assigned incorrectly;
■ Indoor unit's processing error;
■ Abnormal address chip.
Troubleshooting:
Yes
"dA" Abnormal Network
Address of Indoo r Unit
Replace th e main board of
indoor unit
The ma in con trol boa rd of
the outdoor unit may be
abnormal
Yes
Replace th e main control
board
Is it an ind ivid ual proble m?
No