Boss Audio Systems MR1620W Troubleshooting, SYMPTOM No power Disc cannot be loaded or ejected

Models: MR1620S MR1620W

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Troubleshooting

Troubleshooting

If you experience operation or performance problems with this product, compare your installation with the electrical wiring diagram on the previous page. If problems persist, read the following troubleshooting tips which may help eliminate the problems.

SYMPTOM

No power.

Disc cannot be loaded or ejected.

No sound.

Sound skips.

Buttons on front panel do not operate.

Radio does not work, or the radio automatic selection function does not work.

CAUSE

The car ignition switch is not on.

The fuse is blown.

There is a disc already in the CD player.

Disc is inserted upside down.

Disc is dirty or defective.

Car interior temperature is too high.

Excess atmospheric humidity or condensation is present.

Volume is set to minimum.

Wiring not properly connected.

Head unit is installed at an angle of greater than 30º from horizontal.

Disc is dirty or defective.

The built-in micro- processor is not operating properly due to noise.

Front panel is not properly fixed in place.

Antenna cable not connected.

The signals are too weak to be received properly.

REMEDY

If the head unit is properly connected to the car accessory power circuits, but the engine is running, switch the ignition key to the “ACC” position.

Replace the fuse.

Remove disc in player and try again.

Insert the disc with the label facing up.

Clean the disc, or play a new one.

Allow temperature to cool down to a normal level.

Leave player off for an hour or so, and then try again.

Adjust volume to desired level.

Check wiring connections.

Adjust installation angle to less than 30º from horizontal.

Clean the disc, or play a new one.

Press the RESET button.

Remove front panel, press RESET button, and re-insert front panel.

Insert the antenna cable firmly into connector.

Select station manually.

MR1620W • MR1620S User’s Manual - page 19

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Boss Audio Systems MR1620W Troubleshooting, SYMPTOM No power Disc cannot be loaded or ejected, No sound Sound skips, Cause