Troubleshooting guide, Problem cause solution – Grace Digital GDI-TW4CD Tunewriter IV User Manual
Page 16

15
Troubleshooting Guide
In case of trouble with the unit, please look through this chart and see if you can solve the 
problem by yourself before calling your dealer.
Problem
Cause
Solution
T
H
E
W
H
O
L
E
U
N
IT
Power dose not come
on when the power
switch is pressed.
Unit is unplugged.
Connect the unit to the AC 
power supply.
No sound comes out 
of the speakers.
The volume is turned 
down (to MIN).
The input selector does 
not match the playback 
source.
Adjust the volume.
Re-select the desired 
input source.
T
A
P
E
D
E
C
K
The tape dose not 
 move.
The cassette tape is not 
inserted properly.
Insert the cassette tape 
correctly.
No sound from tape.
The tape heads are dirty.
Clean the tape heads.
The sound is distorted
or faint.
The tape heads are dirty.
Clean the tape heads.
T
U
N
E
R
U
N
IT
Cannot listen to any 
s t a t i o n , o r s i g n a l 
appears weak.
The station is not tuned-in 
properly.
A TV set is being used 
nearby and is interfering 
with the radio reception.
P r o p e r l y t u n e - i n t h e 
desired station. Turn-off 
the interfering set TV.
The sound is distorted.
The antenna is not 
oriented properly.
Re-orient the antenna until 
reception improves.
C
D
P
L
A
Y
E
R
CD stops immediately 
after starting, or unit 
p a u s e s o r s t o p s 
during play.
T h e C D i s i n s e r t e d 
upside down. The CD is 
dusty or dirty or there is 
condensation on the CD.
Insert the CD with the 
printed side right-side up. 
Carefully clean and dry the 
CD.
No sound.
The CD player is paused.
Press the PLAY/PAUSE 
button.
Specific CD is noisy ,or 
p l a y b a c k s t o p s o r 
skips.
The CD is scratched.
Damaged or warped.
The disc is is very dirty.
The CD should be 
changed.
Carefully clean the CD.
