Haier AB25S2SC1FA, Service Manual

Page: 166 / 182

164
Dip Switch Interpretation (for AC)
DIP
switch
On/Off
station
Function
Default
setting
Sw1
On Slave wired controller
Off
Off Master wired controller
Sw2
On Ambient temp. display on
Off
Off Ambient temp. display off
Sw3
On
Collect ambient temp. from PCB of
indoor
Off
Off
Collect ambient Temp. from wired
controller
Sw4
On Non-volatile memory invalid
Off
Off Non-volatile memory valid
Sw5
On Old protocol
Off
Off Selfadaption
Sw6
On HRV is included in the system
Off
Off HRV is not included in the system
Sw7
On
Model with Up/Down and Left/Right
swing
Off
Off Model with Up/Down swing
Sw8
On Fresh Air unit
Off
Off General unit
(1)The wired controller will display all the icons after powering
on or reset, then get into the initializing process. The controller
will display in sequence as follows:
(the top-left
corner) → (the top-right corner) → → (the
top-left corner), the green LED all the time until the
initialization ends.
Initialization
Difference between the Function of the Master Wired
Controller and Slave Wired Controller
Comparison
item
Master
wired
controller
Slave wired controller
Function
All
functions
are
available
1. ON/OFF, Mode, Fan Speed, Temp.
Setting, Swing, Energy Saving, Clock
function, Heat Reclaim Ventilation
function, Mode Setting, Screen
Saving and Child Lock are available
2.Cancel the
cleaning icon
3.Look up the detailed parameter and
malfunction code
(1) In the state of off and non screen saving, keep pressing
and for 5s to set screen saving time, which will be
shown after the top-right colon 88 statically. Press Up/Down
key to adjust screen saving time and press
key to
(2) Screen saving time should be 0s(backlight always on),
15s, 30s, 60s, default value is 15s. If it is not the
time of
entering, it will display the screen saving time adjusted last
time.
(3) In the process of changing screen saving time, press ON/
OFF key to quit screen saving time setting function, it will
recover to screen saving time before adjustment and start-up
the unit.
Note:
When controlling Fresh Air unit, the controller main interface
will not display Up/Down key in normal state. When in screen
saving setting, press Time key
to display Up/Down key at
the main interface, and then press together Time and Down
key to enter screen saving time setting.
Screen Saving
(2) If the wired controller can’t be communicated with the
indoor PCB normally after powering on, the initialization will be
in 4 minutes, and then the communication malfunction
can be checked from the malfunction inquiry function.
(1) 24-hour system is used, and at time of powering on, it
will display default 12:00.
(2) When
powering on wired controller, will be
displayed on the wired controller interface, clock time can
be adjusted within 10s. At the same time, clock icon and
minute-place of time will meaning the current time can
be adjusted. Press Up/Down key to adjust minute-place with
of clock icon and no of minute-place. Press
Time key to shift to hour-place, and then press Up/Down key
to adjust hour-place with
of clock icon and no
of hour-place. After adjustment, clock icon and hour-place will
and press key to and clock icon and time
will display statically.
Clock Function