Traditional Culture Encyclopedia - Photography and portraiture - What is the reason why Canon MG 3010 REDREDD light keeps on?

What is the reason why Canon MG 3010 REDREDD light keeps on?

1. The built-in battery voltage of intelligent instrument is too low, the instrument screen displays error code ERR-04, and the alarm indicator and instrument screen are always on. ...

2. The smart meter is in arrears and has a power outage. The electric meter screen shows: power failure due to tripping, please recharge; Alarm indicator, trip indicator and electric meter screen are always on.

3. When the remaining amount in the smart meter is less than the set value (generally, the set value of the smart meter is 50 yuan), the meter screen will display: Please recharge and call the police. ...

4. After the smart meter loses power due to arrears, turn on the emergency power supply function, and the meter screen displays: Please charge, and the alarm indicator and the meter screen are always on.

5. After the power failure, the smart meter did not use the emergency power supply function, but only purchased electricity online to recharge, and the amount was successfully allocated to the meter. ...