Milennia PRV21 - Audio Distribution and Level Problems; Moisture in Display

3.7 No audio, speaker audio is unevenly distributed or some speakers not working
• Check Balance settings. To access and adjust these settings, press the SEL button to access the system settings.
Quickly press the SEL button again and again until the desired setting is displayed. Use the volume buttons to adjust. Center
the fade and balance adjustments between front/rear and left/right.
• Check speaker connections. Ensure each speaker wire is routed to the appropriate speaker terminal for which it is
intended.
• Inspect all speaker wires for exposed wire and tape up as necessary. Make sure they cannot ground to one another
or make contact with any other potential power source or ground. NEVER combine speaker wires.
• If some speakers are working but others are not and the above methods do not help, swap the known working
speakers with the ones that are not working. This will help determine any defective speakers.
• If no audio and the above methods yield nothing, initiate a warranty claim.
3.8 Low Audio
• Check speaker specifications – recommended impedance is 4ohm
• Check sound enhancements - To access and adjust these settings, press the SEL button. Quickly press the SEL
button again and again until the desired setting is displayed. Use the volume buttons to adjust or turn on/off.
• LED lighting can cause low FM/AM audio – see section 3.6.3
3.9 Fluctuating audio or FM signal - Audio level constantly raises and lowers when the engine is started or revved. This
issue is more frequently caused by power fluctuations than radio failure.
• Check to ensure ground is good and no corrosion exists at connection points.
• Check all power wires for corrosion at connection points.
• Check for corrosion at battery terminals, bus terminals, and fuse panel.
• If in a boat or another motor vehicle, ensure the recommended plugs are being used the engine. Resistor plugs can
often block unwanted RF signal that can interfere with radio reception.
• LED lighting can cause fluctuating FM/AM audio – see section 3.6.3
BREAKABLE
3.10 Moisture in Display
3.10.1 Water inside display after washing the mounting area
 Radio is not designed to withstand pressurized streams of water. When rinsing the radio or around the radio, a very
low pressure spay is recommended.
 Monitor the display for possible evaporation without harm to the radio.
 Monitor the radio for strange or erratic behavior. If the issue persists, internal damage has occurred- seek to repair
or replace.
3.10.2 Slight fog after operation – normal in colder weather but monitor
3.10.3 Heavy condensation
• The condensation may evaporate without harm to the radio.
• Monitor the radio for strange or erratic behavior. If the issue persists, internal damage has occurred – seek to
repair or replace.