Reference; Troubleshooting - Casio CTK-3400SK User Manual

Reference

Troubleshooting

Symptom
Included Accessories
I can't find something that should be here.
Power Requirements
Power will not turned on.
The Digital Keyboard outputs a loud sound and then
suddenly powers down.
The display lights up momentarily but power does
not turn on when I press the
The Digital Keyboard suddenly powers down after a
few minutes.
Display
The display keeps going out or are flashing.
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.
Nothing happens or notes do not play normally when
I play notes on the left side of the keyboard.
Nothing happens when I start an Auto
Accompaniment.
Notes keep sounding, without stopping.
Some notes are cut off while they are playing.
Action
Carefully check inside all of the packing materials.
• Check the AC adaptor or make sure that the batteries are facing
• Replace the batteries with new ones or switch over to AC adaptor
• You may have tried to perform some operation while the "Pls wait"
Replace the batteries with new ones or switch over to AC adaptor
power (page EN-5).
Press the
1
(P) button.
This happens when Auto Power Off (page EN-7) is triggered.
Replace the batteries with new ones or switch over to AC adaptor
power (page EN-5).
• Adjust the main volume setting (page EN-7).
• Check if something is plugged into the PHONES/OUTPUT jack
• Turn power off and then back on to initialize all Digital Keyboard
Press
(page EN-16).
• With rhythms D19 to D28, nothing will sound until you play a chord
• Check and adjust the accompaniment volume setting (page
• Turn power off and then back on to initialize all Digital Keyboard
• Turn power off and then back on to initialize all Digital Keyboard
• Replace the batteries with new ones or switch over to AC adaptor
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.
correctly (page EN-5).
power (page EN-5).
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
button at the same time, press
1 (P) button firmly and completely to turn on power.
do
( ) on the back of the Digital Keyboard.
settings (page EN-6).
bm
to disable chord input in the accompaniment keyboard area
on the keyboard. Try playing a chord (page EN-16).
EN-19).
settings (page EN-6).
settings (page EN-6).
power (page EN-5).
bq (RHYTHM) [POPS]
1
(P) to turn on power.
EN-27