If your device cannot be turned on, there are a few possible causes and actions to take:

• 1. Battery not properly installed: Install the battery again.

• 2. Invalid or expired battery: Replace the battery. 

• 3. Mainboard error or other factors: Contact the manufacturer for repairs and maintenance.

If you have questions about your device, please get in touch with your local distributors.

If your device suddenly shut down, there are a few possible causes and actions to take:

1. Invalid or expired battery: Replace the battery. 

2. Mainboard error or other factors: Contact the manufacturer for repairs and maintenance.

If you have questions about your device, please get in touch with your local distributors.

If your device is beeping every five seconds, it's possbile that the device found a failure during self-test. If this occurs, please contact your local distributors or the manufacturer for repairs and maintenance. 

If the defibrillation charging time is too long, there are a few possible causes and actions to take:

1. Battery or device failure: Stop using the device and contact the manufacturer for repairs and maintenance. 

2. Insufficient battery: Replace the battery. 

If you have questions about your device, please get in touch with your local distributors.

Here are a few possible causes and actions to take:

1. The pads don't stick to the patient's chest: Attach the pads to the patient's chest.

2. Poor contact between pads and patient: Check pads contact of patient.

4. Damage of pads, cables, or pads connector: Replace pads.

5. Damage of pads socket: Contact the manufacturer for maintenance. 

If you have questions about your device, please get in touch with your local distributors.

If the status indicator of your device is not on, there are a few possible causes and actions to take:

1. Insufficient battery: Replace the battery.

2. Damage of the status indicator: Contact the manufacturer for repairs and maintenance. 

If you have questions about your device, please get in touch with your local distributors.

Here are a few possible causes and actions to take: 

1. USB device failure: Replace USB device.

2. Bad USB contact: Reinsert USB.

3. Mainboard error or other factors: Contact the manufacturer for repairs and maintenance. 

If you have questions about your device, please get in touch with your local distributors. 

If the self-test failed after the device is powered on, there are a few possible causes and actions to take:

1. Defibrillation pads expired: Replace pads.

2. Low battery: Replace the battery.

3. Mainboard error or other factors: Contact manufacturer for repairs and maintenance. 

If you have questions about your device, please get in touch with your local distributors. 

Full name of background products: ViVest intelligent IoT system products, which realize the informatization of AED remote intelligent management through Cloud storage, cloud computing, mobile Internet, IoT communication technology, indoor positioning technology, etc. To provide reliable, advanced, and comprehensive IoT intelligent management solutions for AED installed in crowded public places, achieve remote supervision that combines real-time and timing, and establish a long-term management mechanism.

Packing list: One IoT chassis from IoT; One power adapter; User manual; Warranty card.

Usage environment: This product needs to be used in conjunction with our company's AED (to be purchased separately)

Use an AC 110-240V 50/60Hz 800mA power adapter or 8 disposable batteries of the specified model

Iron partition without shielding signal around

1. This product adopts the Low-power electronics scheme, and there will be about 20 seconds between wake-up and data upload to the management platform.

2. When used in areas with unstable IoT network signals, the power consumption of the product will correspondingly increase, which will affect the battery life and service life of the product. Please try to avoid using this product in areas with unstable network signals or using AC power supply.

3. This product uses batteries of the specified model (model: Energizer 123). Please do not replace batteries of other models without authorization.

4. This product should be kept away from heat sources and should not be installed in damp, dusty, or sooty areas.

5. Please be sure to use the optional power adapter, as using an unapproved power adapter may damage this product.

6. Please transport, use, and store this product within the allowed humidity and temperature range.

7. Only maintenance personnel recognized by the manufacturer can repair this product. Do not disassemble it without authorization.