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EN-27
Reference
Troubleshooting
Symptom Action
Included Accessories
I can’t find something that should be here. Carefully check inside all of the packing materials.
Power Requirements
Power will not turned on. Check the AC adaptor or make sure that the batteries are facing
correctly (page EN-5).
Replace the batteries with new ones or switch over to AC adaptor
power (page EN-5).
You may have tried to perform some operation while the “Pls wait
message was displayed, which caused an internal problem. If other
measures do not correct this problem, perform the operation below
to turn on power.
Warning!
The following operation will delete all Digital Keyboard data and
return all settings to their initial factory defaults.
While holding down
bo
(–/+) [–] and the
bq
(RHYTHM) [POPS]
button at the same time, press
1
(P) to turn on power.
The Digital Keyboard outputs a loud sound and then
suddenly powers down.
Replace the batteries with new ones or switch over to AC adaptor
power (page EN-5).
The display lights up momentarily but power does
not turn on when I press the
1
(P) button.
Press the
1
(P) button firmly and completely to turn on power.
The Digital Keyboard suddenly powers down after a
few minutes.
This happens when Auto Power Off (page EN-7) is triggered.
Display
The display keeps going out or are flashing. Replace the batteries with new ones or switch over to AC adaptor
power (page EN-5).
Screen contents are visible only from straight ahead. This is dues to production limitations. It does not indicate malfunction.
Sound
Nothing happens when I press any keyboard key. Adjust the main volume setting (page EN-7).
Check if something is plugged into the PHONES/OUTPUT jack
(
do
) on the back of the Digital Keyboard.
Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-6).
Nothing happens or notes do not play normally when
I play notes on the left side of the keyboard.
Press
bm
to disable chord input in the accompaniment keyboard area
(page EN-16).
Nothing happens when I start an Auto
Accompaniment.
With rhythms D19 to D28, nothing will sound until you play a chord
on the keyboard. Try playing a chord (page EN-16).
Check and adjust the accompaniment volume setting (page
EN-19).
Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-6).
Notes keep sounding, without stopping. Turn power off and then back on to initialize all Digital Keyboard
settings (page EN-6).
Replace the batteries with new ones or switch over to AC adaptor
power (page EN-5).
Some notes are cut off while they are playing. Notes are cut off whenever the number of notes being sounded
exceeds the maximum polyphony value of 48 (24 for some tones).
This does not indicate malfunction.
CTK3400SK_A5_x1a_EN_ES.indd 29 2013/10/09 18:58:27
29


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