Gree GMV-ND100L/A-T Service Manual page 75

GREE
Parameter
Parameter Name
Code
Note:
In parameter query status, "FAN", "TIMER", "SLEEP", and "SWING" are invalid. By pressing the
"ON/OFF" button, users can return to the main interface but not power on/off the unit.
In parameter query status, signals of the remote controller are invalid.
5.1.6 Engineering Parameter Settings
Engineering parameters can be set in power-on or power-off status.
(1) Press and hold the "FUNCTION" button for five seconds. The temperature area displays "C00".
Continuously press the "MODE" button for three times, and then press and hold the
"FUNCTION" button for five seconds to enter the engineering parameter setting interface.
The temperature area displays "P00".
(2) Select a parameter code by pressing " " or " ". Press the "MODE" button to switch to parameter
value settings. The parameter value blinks. Adjust the parameter value by pressing " " or " "
and then press the "ENTER/CANCEL" button to complete settings.
(3) Press the "ENTER/CANCEL" button to return to the upper-level menu till quitting parameter
settings.
In the engineering parameter setting interface, users can also set user parameters listed in Table 3.2.
The engineering parameter setting list is as follows:
Parameter
Parameter Name
Code
Power-down
P15
memory mode
Historical fault
P17
clearing for IDU
Parameter
Range
Note:
1. Un indicates the entire-unit bar code of IDU and Pc indicates
the controller bar code of IDU.
2. When there is only one IDU, press the "MODE" button in "nb"
status to enter bar code query without selecting the project
number of IDU.
3. The system quits the query status if no operations are
performed in 60 seconds.
4. The bar code query starts from the entire-unit bar code of
IDU and ends at the controller bar code of IDU without
circulation. That is, the query does not start again even if users
press "▼".
Table 2.4 Engineering Parameter Setting List
Parameter Range
00: standby after
power-down recovery
01: restoring the
original status after
power-down recovery
00: not cleared
01: cleared
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GMV5 INDOOR UNIT SERVICE MANUAL
View Method
N1r 0128
150 067
Default Value Remark
00 --
Historical faults of all IDUs
00 controlled by the current wired
controller are cleared.
It indicates
the former
seven bits of
the bar code.
It indicates
the latter six
bits of the bar
code.