If the red LED is blinking and not ON permanently, there is no problem with your unit. This only indicates the spin up of your drive or a temporary spike or slump in the power consumption and does not harm your drive or device at all. The product can be used normally.
Features mentioned in this manual may vary between different models.
Features
Over Voltage Protection (OVP) with a limit of 10% before shut down (max 30V). Protection for device or Hard Drive damage, caused by sudden voltage spikes in the power supply and wrong or faulty power adapter.
Indication: Blue LED off, Red LED on
Low Voltage Detection (LVD) indicating insufficient power supply. Possibly caused by a sudden voltage slump in the power supply or faulty power adapter.
Indication: Blue LED on, Red LED on
Automatic Detection of the Interface for Combo Interface Units, which means that there is no mechanical switch required. The first cable detached will be the one used by the system until unplugged. If a second cable is plugged in, it will not affect the system at all and can be used as soon as the main cable is unplugged.
LED indicator (double colored LED)
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| Blue LED | Red LED |
| Status ON, working normal | ON | OFF |
| Status ON, low power (LVD) | ON | ON |
| Status ON, over voltage (OVP) | OFF | ON |
| Status OFF (or faulty PCB/LED) | OFF | OFF |
* Blue LED flickers on data access |
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