Airwell KXV Series, Engineering Manual

Page: 276 / 380

Engineering manual
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(4) DIP switch: No any limitation for technician.
 Fault display rules in Norm
LWC only respond the last fault code. After the last fault code is solved, if outdoor unit or indoor unit or HRV
or LWC itself still in fault status, only LED is blinking, no other icons is used to indicate fault status and fault
code.
For the details of fault code definition, please refer to IDU/ODU fault code table in Part VI
(1) For level 5 fault: b1, bd, FC, Fd are protection code.
-- b1/ bd/ FC/ Fd share the same display method: is lighting, fault code is displayed
instead of time of timer, and the above line of relevant group or “ALL” (which the fault
come from) is blinking.
(2) For level 11 fault:
-- Only is lighting and the latest fault code is displayed instead of time of timer, and all
icons are blinking;
-- After the latest fault is solved for the group which has warned the latest fault, but other
level 11 fault is also existing in system, is lighting and all icons are blinking;
(3) For Level12, level13, level14 fault code:
-- Normally, is lighting, fault code is displayed instead of time of timer, and the above
line of relevant group or “ALL” (which the fault comes from) is blinking.
-- For A1: is on, fault code is displayed instead of time of timer, and the above line of
relevant group (which the fault come from) is blinking
-- For bb: is on, fault code is displayed instead of time of timer, and the above line of
relevant group (which the fault comes from) is blinking.