Trouble shooting chart |
Remote reception is insensitive or fails.
Remote reception is insensitive or fails.
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Check if the remote control works properly.
Yes
Check if the power supply voltage to the remote censor is normal
Yes
Use an oscilloscope to check if there is output waveform from the first pin IR of the
No | Check battery |
|
No
Check L2
No
remote censor after pressing button on the remote control.
Yes
Check if there is IR signal on pin 49 of U2
Yes
IR600 (PIN1 - RC waveform)
Change U2
No
Correct connection
IR waveform