GREE GMV5 INDOOR UNIT SERVICE MANUAL
68
Historical fault
query ingress of
ODU
Operation method:
In “n6” status, press the “MODE” button to enter fault code
query of ODU (when a wired controller controls multiple IDUs,
only the faults memorized by the IDU that has the minimum
project number can be queried). Press “ ” or “ ” to switch the
fault SN. Press the “ENTER/CANCEL” button to return to the
upper-level menu.
Display mode:
Temperature area: displays the fault SN and fault code from left
to right (1-5, faults are arranged from the earliest to the latest).
Timer area: displays the project number of the ODU.
Parameter query
ingress of ODU
Operation method (n7 query is not supported for the slave wired
controller):
In “n7” status, the timer area is not displayed. Press the
“MODE” button to enter parameter query of ODU. The first bit in
the temperature area (display bit of the ODU module ID) blinks.
Press “▲” or “▼” to switch the ODU module ID. Press the
“MODE” button to select an ODU module. In this case, the first
bit in the temperature area stops blinking, and the second and
third bits in the temperature area display the parameter code.
The timer area displays a corresponding parameter value.
Press “▲” or “▼” to switch the parameter code and press the
“ENTER/CANCEL” button to return to the upper-level menu.
Display mode:
Temperature area: displays the ODU module ID and parameter
code from left to right.
Timer area: displays a corresponding parameter value to the
right.
Outdoor environment temperature
Operation frequency of
compressor 1
Operation frequency of
compressor 2
Operation frequency of outdoor fan
Discharge temperature of
compressor 1
Discharge temperature of
compressor 2
Discharge temperature of
compressor 3
Discharge temperature of
compressor 4
Discharge temperature of
compressor 5
Discharge temperature of
compressor 6
Operation frequency of
compressor 3
Outdoor unit heating EXV1
(Actual value = Displayed value *
10)
Outdoor unit heating EXV2
(Actual value = Displayed value *
10)