GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
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This code is function setting status code, which indicates that the system has entered the limit
setting status of max output capacity.
“10” means max output capacity is 100%; “09” means max output
capacity is 90%;
“08” means max output capacity is 80%.
Possible reason
：
——
Troubleshooting: status code, no troubleshooting.
2.2.4.109
“n6” Unit error inquiry status
Error display:
ODU mainboard, IDU wired controller and IDU receive light board will
display
Error judgment condition and method:
This code is the inquiry status code, which indicates that the system has entered the unit error
inquiry status. In this case, 5 history errors of IDU and ODU can be inquired. Pay attention that IDU error
and ODU error shall be inquired separately.
Possible reason
：——
Troubleshooting:
status code, no troubleshooting.
2.2.4.110
“n7” Unit parameter inquiry status
Error display:
ODU mainboard, IDU wired controller and IDU receive light board will
display
Error judgment condition and method:
This code is the inquiry status code, which indicates that the system has entered the unit parameter
inquiry status.
Possible reason
：——
Troubleshooting:
status code, no troubleshooting.
2.2.4.111
“n8” IDU project code inquiry status
Error display:
IDU wired controller will display
Error judgment condition and method:
This code is the inquiry status code, which indicates that the system has entered the IDU project
code inquiry status. After entering this function, wired controller will display the project code of this IDU.
Meanwhile, the IDU buzzer will beep.
Possible reason
：——
Troubleshooting:
status code, no troubleshooting.
2.2.4.112
“n9” Online IDU quantity inquiry status
Error display:
ODU mainboard will display
Error judgment condition and method:
