Troubleshooting
Symptom | Cause | Action |
The POWER LED is flashing. | The AC cord is not connected to the electric | Connect the AC cord. |
| outlet or to the switch device. |
|
| The AC power is off. | Turn on the AC power. |
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|
| The internal power fuse has blown. | Contact the place of purchase or the |
|
| support center. |
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|
The keyboard and mouse do | The keyboard and mouse connections on the | Match the port Nos. |
not operate or operate | host are reversed. |
|
strangely. | Cannot get out of Hot Key Mode | Press the [Enter] or [ESC] key |
(Special programmable, | The key repeat is abnormal. | Change the speed setting for the key |
cordless or mice with wheels) |
| repeat on the host. |
| Connection/cable is defective | Confirm the connector connection. |
|
| Replace with a different cable. If this |
|
| solves the problem, replace with a new |
|
| cable. |
| A | Replace with a supported keyboard |
| connected. | or mouse. |
The scroll function or button | Mouse not supported | Replace with a supported mouse. |
does not operate. |
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|
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|
|
| The specific mouse driver is not installed. | Install the specific mouse driver. |
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|
|
Poor screen quality | Connection/cable is defective | Confirm the connector connection. |
(Faded images, blurred |
| Replace with a different cable. If this |
characters, etc.) |
| solves the problem, replace with a new |
|
| cable. |
Window shifts or does not | Wrong resolution | Adjust the resolution or use the |
display when switching |
| monitor function. |
|
|
|
| Unsupported monitor, or cannot | Replace with a supported monitor |
| synchronize | (multisync). |
|
| Use the monitor function. |
Cannot go into Auto Scan Mode | Device enters Hot Key Mode | The device goes into Hot Key Mode, |
|
| press the number key (0). |
|
|
|
| Wrong key | Press the number key (0). |
Cannot go into Hot Key Mode | Wrong key | First level are the number keys (1 through |
|
| 8). |
|
| Second level are F1 through F8. |
The auto scan switch cycle is | The switch cycle has not been adjusted. | Use the cursor keys (↑ and ↓) to adjust it. |
abnormal. | (The default value is 10 seconds.) |
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|
Operation stops after a period of | Connection has been disrupted. | Check the connections and the restart. |
normal operation. | The switcher is hung up. | Press the reset switch. |
| A problem has occurred at the host. | Correct the problem at the host. |
The LED on the device does | The host’s keyboard/mouse port’s power circuit | Correct the problem at the host. |
not light even after turning on | protection element has failed. |
|
the host. |
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Cascaded connections are not | A problem has occurred at the switcher. | Press the reset switch. |
recognized. |
| (Both the slave and the master) |
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