74
[97] Communication circuit of centralize control
Whether the
X, Y communication line are
normal
No
Modify communication line
Yes
Whether the
connection of the connectors
of indoor PCB CN15 is
normal
No
Modify socket wiring
Yes
Whether
there is improper connection
of power wiring
Yes
Check and modify power wiring
No
Whether the
central controller and indoor unit power
supply system have the
same system
No
Whether there is power
switching on portion
Yes
Switch on the
power
Yes
Whether
only the central controller
displays [97]
No
Whether there is power failure
Yes
Whether the
operation of changing central control address
is conducted from the remote
controller
Eliminate
inspection code
Change
No change
Whether there is noise
Yes
No
No
Whether the
running condition of indoor unit
is reflected on the central
controller
Yes
Yes
Yes
Whether there is
source of noise
Yes
Check and
eliminate noise
No
Check indoor PCB, ifimproper, replace it
Check central controller, if improper,replace it
Yes
No
Все каталоги и инструкции здесь: http://splitoff.ru/tehn-doc.html
To Next Page
Loading...
