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In Case of Difficulty
Basic
No function or display.
• Vehicle’s ignition is off.
- If connected according to the instructions, the unit will not
operate with the vehicle’s ignition off.
• Improper power lead connections.
- Check power lead connections.
• Blown fuse.
- Check the fuse on the battery lead of the unit; replace with the
proper value if necessary.
• Internal micro-computer malfunctioned due to interference
noise, etc.
- Press the RESET switch with a ballpoint pen or other pointed
article.
No sound or unnatural sound.
• Incorrect setting of volume/balance/fader controls.
- Readjust the controls.
• Connections are not properly or securely made.
- Check the connections and firmly connect.
Screen not displayed.
• Brightness/Contrast control is set at the minimum position.
- Adjust the Brightness/Contrast control.
• Temperature in the vehicle is too low.
- Increase the vehicle’s interior temperature to operation
temperature range.
• Connections to the Auxiliary Device are not securely made.
- Check the connections and firmly connect.
• The Parking Brake Lead is not connected.
• The Parking Brake is not engaged.
- Connect the Parking Brake Lead, then engage the Parking
Brake.
Movement of displayed picture is abnormal.
• Temperature in the vehicle is too high.
- Allow the vehicle’s interior temperature to cool.
The optional remote control is inoperative.
• The remote control sensor setting of “Remote Sensor Setting”
(page 47) is not set to this unit (“Front”).
- Set for “Front”.
Radio
Unable to receive stations.
• No antenna, or open connection in the antenna cable.
- Make sure the antenna is properly connected; replace the
antenna or cable if necessary.
Unable to tune stations in the seek mode.
• You are in a weak signal area.
- Make sure the tuner is in DX mode.
• If the area you are in is a primary signal area, the antenna may
not be grounded and connected properly.
- Check your antenna connections; make sure the antenna is
properly grounded at its mounting location.
• The antenna may not be the proper length.
- Make sure the antenna is fully extended; if broken, replace the
antenna with a new one.
Broadcast is noisy.
• The antenna is not the proper length.
- Extend the antenna fully; replace it if it is broken.
• The antenna is poorly grounded.
- Make sure the antenna is grounded properly at its mounting
location.
• The station signal is weak and noisy.
- If above solution does not work, tune in another station.
USB Audio
Unit does not operate.
• Condensation.
- Wait a while (about 1 hour) for the condensation to dry.
Picture is unclear or noisy.
• Vehicle’s battery power is weak.
- Check the battery power and wiring.
(The unit may malfunction if the battery power is under 11
volts with a load applied.)
Rear Seat Entertainment System
DVD sound is not being output from the rear monitor
headphones.
• The external audio processor and DVD Player (DVE-5300) are
optically connected.
- Set the Audio Out of the DVD Player to “LPCM.”
Navigation (X902D/X802D-U/INE-W710D only)
The Navigation cannot work properly.
• Reset Navigation system.
- Turn the ignition key off, and then set to ON again.
If you encounter a problem, please turn the power off,
then on again. If the unit is still not functioning normally,
please review the items in the following checklist. This
guide will help you isolate the problem if the unit is at
fault. Otherwise, make sure the rest of your system is
properly connected, or then consult your authorized
Alpine dealer.
Summary of Contents for i902D
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