Airwell KXV Series, Engineering Manual

Page: 269 / 380

Engineering manual
269
a) “Comfort” button is used to select the options: current fault diagnostics- history fault
diagnostics– exit diagnostic; In current diagnostic mode,
is blinking; in history
diagnostics mode, is light; exit diagnostic mode, icon is off.
b) Up to 80 current fault codes and 80 history fault codes can be browsed for IDU.
c) Up to 10 current fault codes and 5 history fault codes can be browsed for outdoor unit.
 Operation instruction
(1) Press “COMFORT” button one time to enter current fault diagnostic mode, Press
“COMFORT” button two times to enter to history fault diagnostic mode, Press
“COMFORT” button three times to exit diagnostic mode.
(2) Press “< button or “> button to select group or outdoor unit, ALL-1-2-…-16 is scrolled,
“ALL” is outdoor unit, 1-2-3-…16 is user address of group.
(3) Press “OK” to confirm the selected object:
i. If outdoor unit is selected: browse fault code by press“ ” or “ ” button, fault code will be
displayed instead of real time. Press “<” button to exit to last level.
ii. If YY of user address of group is selected:

The min physical address of the group will displayed instead of SPT, press “ ” or “ ”
button will scroll all units’ physical address of the group, press “<” button to exit to last
level.

Press “OK” button to confirm the physical address. Press “left” button to exit to last
level.

Browse fault code by press“ ” or “ ” button, message sequence number 01-02-… is
displayed instead of real time; Time of timer area is used to display the fault code. If there
isn’t any fault code, “00” is displayed in the time of timer. Press “<” button to exit to last
level.
 LWC malfunction diagnostic
(1) Long press “COMFORT” for 5 seconds, enter diagnostics LWC itself mode, icon is
light;
(2) Press “ ” or “ ” button to browse LWC fault, fault code will be displayed instead of time
of timer.
(3) Press “Comfort” for 5 seconds again, exit diagnostics LWC mode, diagnostics icon is off;