Gree GWH07AFAXA-K3NNA1A Service Manual page 47

perform fast cooling or fast heating. There may be some noise,
which is the sound of flowing liquid or thermal expansion or cold
shrinkage. The air conditioner may blow cool or warm air, which
is a normal phenomenon. During cleaning process, please make
sure the room is well ventilated to avoid affecting the comfort.
NOTE:
● The auto clean function can only work under normal ambient
temperature. If the room is dusty, clean it once a month; if not,
clean it once every three months. After the auto clean function is
turned on, you can leave the room. When auto clean is finished,
the air conditioner will enter standby status.
● This function is only available for some models.
If "H1" is displayed on the remote controller while it's not operated
by the professional person/after-sales person, it belongs to the
misoperation.
Please operate it as below to cancel it.Under the OFF status of
remote controller, hold the "MODE" button and "X-FAN" buttons
simultaneously for 5s to cancel "H1" display. Sub-Assy
Note:
● If remote controller displays "H1", it belongs to the normal
function reminder. If the unit is defrosting under heating mode,
it operates according to H1 defrosting mode. "H1" won't be
displayed on the panel of indoor unit;
● Once you set H1 mode, if you turn off unit by remote controller,
H1 will display 3 times on the remote controller and then
disappear;
● Also, when you set H1 mode, when you change to heating
mode, H1 will display 3 times on the remote controller and then
disappear.
44
Replacement of batteries in remote controller
1. Press the back side of remote controller marked with "
shown in the fig, and then push out the cover of battery box along
the arrow direction.
2. Replace two 7# (AAA 1.5V) dry batteries, and
make sure the position of "+" polar and "-" polar
are correct.
3. Reinstall the cover of battery box.
NOTICE：
● During operation, point the remote control signal sender at the
receiving window on indoor unit.
● The distance between signal sender and receiving window
should be no more than 8m, and there should be no obstacles
between them.
● Signal may be interfered easily in the room where there is
fluorescent lamp or wireless telephone; remote controller should
be close to indoor unit during operation.
● Replace new batteries of the same model when replacement is
required.
● When you don't use remote controller for a long time, please
take out the batteries.
● If the display on remote controller is fuzzy or there's no display,
please replace batteries.
Service Manual
", as
Technical Information