Remote control does not work
Remote
control
does not work
Yes
Check whether the remote
control works well
Yes
Check
if
there
is
any
Yes
open-circuit or short-circuit
on the DuPont pin and PCB
Yes
Check
if
any
bad
component
or
soldering
exists around IR1 on PSU
board
Yes
Replace IR1 on PSU board
4-3
No
Replace the batteries of remote
control, or fix the remote control.
No
Fix the open-circuit or short-circuit
No
Fix the bad component or soldering
Trouble shooting chart