Low Temperature Drying Function; Lock Function - Gree GUHD18ND3FO Service Manual

U-Match Series DC Inverter Service Manual
accumulated operating time increases 400hr. When it reaches 9, it means the accumulated
operating time is 5000hr;
(4) Heavy pollution: the former digit in timer zone shows 3 while the latter one shows 0, which
indicates the accumulated operating time is 100hr. Each time the latter digit increases 1, the
accumulated operating time increases 100hr. When it reaches 9, it means the accumulated
operating time is 1000hr;
The detailed pollution level and the corresponding time is as shown in Table 2-4-1 below:
Pollution
level
10
11
12
13
14
15
16
17
18
19
If filter clean reminder function is turned on, the
(1) If cleaning time is not reached, no mater the setting is changed or not, the accumulated operating
time won‟t be recalculated when pressing Enter/Cancel button;
(2) If cleaning time is reached, in unit on or off state,
Function button to switch to
Enter/Cancel button, so the accumulated operating time won‟t be cleared (If the adjusted level is
higher than the present accumulated operating time, the icon won‟t blink any more; if the adjusted
level is lower than the present accumulated operating time, the icon will go on blinking).
(3) The only way to cancel filter clean reminder function is to press Function button to switch to filter
clean reminder function. The
display "00". In this case, the accumulated operating time will be cleared.

4.2 Low Temperature Drying Function

Under dry mode and when set temperature is 16℃(61℉), continuously press ▼ button for twice and
then the set temperature will be 12℃ (54℉). In this case, the unit will enter low temperature drying
function.
When low temperature drying function is turned on, press ▲ button or Mode button to exit low
temperature drying function.

4.3 Lock Function

When unit is turned on normally or turned off, pressing ▲ and ▼ buttons at the same time for 5s will
turn on Lock function. LCD will display
this function.
When Lock function is turned on, any other buttons won‟t respond when pressing. The function can be
memorized after power failure and then power recovery.
Table 2-4-1 Pollution level and corresponding time
Accumulated
Pollution
operating time
level
(hour)
5500 20
6000 21
6500 22
7000 23
7500 24
8000 25
8500 26
9000 27
9500 28
10000 29
icon and press ▲ and ▼ button to adjust the level. Then press
icon will blink and press ▲ or ▼ button to adjust timer zone to
. Pressing ▲ and ▼ buttons at the same time for 5s to turn off
Accumulated
Pollution
operating time
level
(hour)
1400 30
1800 31
2200 32
2600 33
3000 34
3400 35
3800 36
4200 37
4600 38
5000 39
icon will be on.
will blink every 0.5s for reminder. Press
25
Accumulated
operating time
(hour)
100
200
300
400
500
600
700
800
900
1000