Use Instructions

Page 44 of 46
8. Product Warranty
8.1 Troubleshooting
Issue
Solution
App login error
Check Wi-Fi Settings
Bluetooth connection error
Restart the device and try again.
If the error persists, contact the service center.
EEG measurement error
Restart the device and try again.
If the error persists, contact the service center.
PPG measurement error
Reconnect the PPG sensor to the connector.
If the error persists, contact the service center.
Wear of electrode Ag/AgCl coating
Replace the electrode(s).
Increased charging time of battery
Inspect and/or replace the battery through the service
center.
Decreased device run time
8.2 Warranty Claim
Contact the service center if you are unable to resolve the issue after reviewing the user manual.
8.2.1 Warranty Coverage
1. The warranty provides at no extra cost to the user.
2. The device is warranted for a period of 1 year.
3. The device is warranted for the functional or performance defects arising when used for
normal purposes in accordance with the user manual. (The wear of Ag/AgCl coating of
electrodes is not covered under the warranty.)
4. If an identical defect of the same product occurs within 6 months after being repaired by
authorized personnel and has been used normally, the repair will not be charged.
8.2.2 Warranty Exclusion
The warranty is not applicable in any of the following cases and is subject to charged repair:
1. Expiry of warranty period and/or inability to check warranty period
2. Failure or damage caused by user’s negligent use, neglect, or careless operation of device
3. Failure caused by use of device not in accordance with the user manual
4. Failure or damage caused by using electricity of unauthorized voltage
5. Failure caused using parts, accessories or consumables that are not approved by the
manufacturer
6. Product or its parts has been arbitrarily removed, altered, modified, damaged
7. Product has been serviced and/or repaired by unauthorized personnel that is not designated