Panasonic RX-ES50 - Manual (Page 28)

Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or a
minor adjustment on your part may eliminate the problem and restore proper operation.
If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory of
Authorized Service Centers (enclosed with this unit) to locate a convenient service center, or consult your dealer for instructions.
Problem Probable cause(s) Suggested Remedy Page
Common problems
No operation.
(When batteries are used as
the power source)
is the AC power cable still connected to the
unit while batteries are being used? Disconnect the AC power cable,
5
Are the batteries flat? Replace them with new ones. Alternatively,
use a household AC outlet as the power
source.
5
Have the batteries been installed incorrectly
with their (+) and (-) polarities reversed? Align the (+) and (-) polarities correctly.
5
“U01” appears. The batteries are flat. Replace them with new ones. Alternatively,
use a household AC outlet as the power
source.
5
“U02" appears. The power is not supplied to the unit. Install the batteries or connect the power cable. 5
While listening to CDs
Play does not start. No
display of track numbers,
etc.
Has the CD been installed upside down? Install the CD with the label side facing up. 8
Has condensation formed on the unit’s CD
section? Turn the unit on and leave it on for about an
hour before further operation.
Certain sections are not
played properly. Is the CD soiled? Wipe with a soft cloth. 30
Is the CD scratched? Replace with a new CD.
While listening to ta pes
No recording. Have the tape’s accidental erasure
prevention tabs been broken out? Cover the holes with adhesive tape.
30
Sound is low, intermittent,
or poor quality, noisy,
scratchy, or unsteady. Are the heads soiled? Clean them. 31
Have the heads been magnetized? Demagnetize them using a demagnetizer
available from an audio store.
While listening to the radio
Has the antenna been adjusted properly? Try changing its direction. 11
Are you using a remote control of other
appliances near the unit? Use the remote control at a distance.
Are you operating the unit and a TV set at
the same time?
Place the unit at a distance from the TV.
Alternatively, turn the TV off.
Stations cannot be tuned in
well.
Noise heard during AM
(LW/MW) reception.
While using the timer
No timer operation at the Is the unit turned on (when the play timer Turn the unit off upon completion of the 21
programmed time. and the recording timer are being used)? settings. 23
Has the programmed timer indicator (TIMER, Operate again so that the display lights up. 21
TiMER-REC or SLEEP) lighted? 23
24
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