NAD M4 - Reference; Troubleshooting Common Issues

CONDITION POSSIBLE CAUSES POSSIBLE SOLUTIONS
No power.
The power cord is disconnected. • Plug the power cord into the wall outlet
securely.
•
No sound. Power AC lead unplugged or power not
switched ON.
• Check AC lead. •
Signal leads incorrectly connected. • Check connections to amplier. •
Station not selected or weak signal with FM
Mute on
• Re-tune or switch o FM Mute. •
Noisy reception, hiss. Weak signal. • Check station tuning. Adjust or replace
antenna.
•
Display shows “No Service List”. DAB antenna not connected properly. • Check the connection and position of the
DAB antenna.
•
No DAB coverage in the area. • Call your local DAB broadcast providers for
coverage information.
•
Reception with whistling, buzzing noise. Interference from other computers, games
consoles.
• Check station tuning. Switch o or move the
source of electrical noise.
•
No rds information. Station signal too weak. • Check station tuning. Adjust or replace
antenna.
•
Station not transmitting RDS data. • Tune to an RDS station that supports station-
name (PS mode) and radio-text (RT mode).
•
M4 does not respond to remote control. Batteries are at or incorrectly inserted. • Check batteries. •
IR transmitter window on remote or IR receiver
window on M4 is obstructed.
• Check IR windows and ensure clear line-of-
sight from remote to M4.
•
M4 front panel is in very bright sunlight or
ambient light.
• Reduce sunlight/room lighting. •
REFERENCE
TROUBLESHOOTING
15
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