Wireless Remote Control Does Not Work (All Buttons)

Wireless remote control does not work (all buttons)

NOTE: Check battery condition first.

1. Check the wireless remote control operation.

Does the wireless remote control operate normally?

YES - Operation is normal at this time.

NO - Go to step 2.

2. Substitute a known-good wireless remote control and recheck.

Does the wireless remote control operate normally?

YES - Original wireless remote control faulty.

NO - Go to step 3.

3. Check the audio unit operation.

Does the audio unit operate normally?

YES - Go to step 4.

NO - Go to the "Power switch will not turn ON (No information display and no sound)" troubleshooting.

4. Check the rear controller display.

Does the display operate normally?

YES - Rear indicator printed circuit card.

NO - Go to the "No display appears on the rear indicator" troubleshooting.