30
7
Problem
Check the following
Power supply LED is not illuminated.
Make sure that the AC adapter is connected properly.
Refer to ”2.7. Power Activation”
Make sure that the USB cable is connected properly.
Refer to ”2.3. USB Port Wiring”
In case the USB hub is used, there is a possibility that the power supply from
the PC is not sufficient.
Refer to ”2.7. Power Activation”
The Signal Tower is bright
(or dazzling)
Use “Tint Film (NHP-TF)” (optional parts)
The Signal Tower is dark
Use the AC adapter. The Signal Tower may be dark in operation with USB bus
power.
Refer to ”2.7. Power Activation”
The Signal Tower is not turned on
Make sure that setting switch is in Normal Operation Mode or PHU Compatibility
Mode.
Refer to ”2.4. “Set” Switch”
Send the following command after receipt of responding data from the main
body.
Refer to ”3.2. Normal Operation Mode”
Make sure that the communication configuration is configured properly.
Refer to ”3.2. Normal Operation Mode”
Make sure that the AC adapter is connected properly.
Refer to ”2.7. Power Activation”
Make sure that a straight cable is used.
Refer to ”2.3. USB Port Wiring”
The buzzer does not sound
Make sure that the volume switch is not OFF.
Refer to ”2.5. Volume Switch”
7. Troubleshooting
