Gree CM100N1320, Service Manual

Page: 75 / 276

GREE GMV5 INDOOR UNIT SERVICE MANUAL
70
Parameter
Code
Parameter Name
Parameter
Range
View Method
N1r 0128
It indicates
the former
seven bits of
the bar code.
150 067
It indicates
the latter six
bits of the bar
code.
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
“▼”.
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:
Table 2.4 Engineering Parameter Setting List
Parameter
Code
Parameter Name Parameter Range Default Value Remark
P15
Power-down
memory mode
00: standby after
power-down recovery
01: restoring the
original status after
power-down recovery
00 --
P17
Historical fault
clearing for IDU
00: not cleared
01: cleared
00
Historical faults of all IDUs
controlled by the current wired
controller are cleared.