Takstar ESC-15A, User Manual, Page: 19 / 21

09
■
Troubleshooting
Problems Causes Solutions
Power off. Turn on the power switch .
Volume knob is set to the minimum
position
.
Increase the volume .
No LF signal input.
Check the system connection or the
equipment setting
.
The output of the power amplifier
reaches its limit
.
Turn down the subwoofer or the
total volume of the system .
The frequency range of the power
amplifier is too wide
.
Narrow the frequency range .
Distortion or
abnormal sound
in large dynamic
Overly dynamic sounds (such as
explosions) overload the subwoofer .
Turn down the subwoofer or the
total volume of the home theater
equipment
appropriately .
Buzz noise or
AC noise
Connection problems or grounding
problems.
Refer to the user manual of the
home theater equipment.
No sound
Bass distortion
To avoid possible personal injury or property damage caused by electric shock,
high temperature, fire, radiation, explosion, mechanical hazards, and improper use,
please read and observe the following items before using the product.
1. When using the product, please confirm whether the power of the connected device
matches the product power and adjust the device volume. Please do not use it for a
long time when the product power is exceeded or at a high volume to avoid product
failure and hearing damage.
2. If there is any abnormality (such as smoke, odor, etc.) during use, please turn off the
power switch and unplug the power plug immediately, and then send the product to
the dealer for maintenance.
3. The product and accessories should be placed indoors in a dry and ventilated place.
Do not store them in a humid and dusty environment for a long time. Avoid getting
close to the fire, liquids, rain, water, excessive collision, throwing, vibrating the
machine, and covering the ventilation holes during use, so as not to damage its
function.
4. If the product needs to be fixed on the wall or ceiling, please make sure to fix it in
place to prevent it from falling.
5. When using the product, you must abide by the relevant safety regulations and do
not use it on occasions that are prohibited by laws and regulations to avoid
accidents.
6. Please do not disassemble, refit, or repair the product by yourself to prevent
personal injury. If you have any questions or service needs, please contact the local
dealer for follow-up.
■
Safety Instructions
ESC-15A
Active Subwoofer