Harman-Kardon FL8550 - Manual (Page 18)

Troubleshooting Guide
16
SYMPTOM
No lights on front panel
Remote does not appear
to operate
Front panel lights, but CD
does not play
Play indicator lights, but
no sound is heard
Sound skips or stutters
during play
Sound is continually distorted
CAUSE
• No AC power
• Main Power Switch turned off
• Weak batteries
• Blocked sensor
• Disc upside down
• Moisture inside unit
•Poor connections
• Wrong source selected
• Disc may be damaged
• Surface vibrations
• Incorrect input
SOLUTION
• Make certain that the AC power cord is plugged into
a live outlet.
• Turn on Main Power Switch.
• Install fresh batteries, observing polarity indications.
• Remove obstructions from the front panel sensor or
connect a remote sensor to the Remote In jack
on the rear panel.
• Reload disc with label side facing up.
• Leave the unit turned ON for 30 minutes to allow
moisture to evaporate.
• Make certain connections are secure and made
to the correct (e.g., CD ) input.
• Select CD source on receiver or preamp.
• Try another disc.
• Isolate the unit from vibration by placing it on a
firm surface or move it further away from speakers.
• Make certain that the FL8550 is connected to a line-
level audio input, NOT a digital audio or phono input.
Troubleshooting Guide