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1. No response after receiving the goods
Don’t worry, the IQOS device have a waiting time of 5-10 minutes when charging for the first time. Be patient, your pocket charger will light up after a few minutes, and the first charging time is about two hours or so, please wait patiently until all the four battery indicator lights are on or all the LED lights are off.
Check out whether the charging connector is powered on. The Japanese version of the charging adapter is flat like the national standard charger. The Korean/European version of the charger has a European standard round head. The European standard charger has higher requirements for the socket. It is recommended to use a new plug for charging to keep charging stable.
Be sure to use the original charger for charging.
After confirming that the power is on, press the button on the 3.0/Multi device for 5 times. At this time, the two small lights on the far left and right of the 3.0/Multi battery indicator light up, and the two light in the middle is off. After pressing the button for about 10 seconds, all the lights are off and waiting for the restart. After restarting, the battery indicator flashes several times and gradually lights up. 
2. The red light when using IQOS 3 Multi Heat Not Burn Tobacco Cigarette Heating Device
There are several reasons for this.
The first one is that you may have used IQOS 3 Multi several times frequently, and the heating element has overheated, so wait until the temperature drops.
The second case is a program error. At this time, just press and hold the button for 10 seconds to restart the device.
The third is that the heating element has not been cleaned for a too long time, causing uneven heating of the heating element or poor heat dissipation. At this time, please clean your heating element and clean it up. (The clean standard is to expose the original color).
The fourth is that whether the ambient temperature is in the range of 0℃-50℃, too cold or too hot will cause the red light failure problem. The fifth possibility is that a non-original charger is used for charging, and the battery is damaged. Just replace the battery.
The sixth is that problem caused by water ingress
The seventh is that the heating and cleaning circuit is short-circuited.
If none of the above situations can be solved, please see the next method.
To resume the program with a forced reset, press the button on the IQOS 3.0/3.0 Multi Heat Not Burn Tobacco Cigarette Heating Device for 5 times. At this time, the two small lights on the left and right of the 3.0/3.0 Multi battery indicator light up, and the two small lights in the middle are off, after pressing and holding the button for about 10 seconds, all the indicators are off and waiting for the restart. After the restart, the battery indicator flashes several times and gradually lights up.
3. The battery indicator of the 3.0 turns yellow
Normally, this situation will not affect normal use. The indicator light will turn yellow when it gets wet. Try to avoid using it in a humid environment. It is just a little visually uncomfortable. Of course, people with obsessive-compulsive disorder will not be able to stand it and need to disassemble it.
4. The charging indicator of the 3.0 turns yellow
If you accidentally turn on the small yellow round light, don’t worry, it is not a malfunction, it means that the Bluetooth is turned on, and you need to operate it with the official APP “IQOS Connect” to turn off the Bluetooth. Currently, there is no official app in South Korea, and in Japan, an official account is required to log in. The conditions for registering an official account require a Japanese local mobile phone number, a national health certificate or a driver’s license to prove whether it is over 18 years old, so it cannot be used in China.
5.IQOS 3.0 Multi cap cannot be triggered to close
The first batch of IQOS 3.0 Multi front cap caps can be returned normally, and the internal trigger device of the front cap is long enough to return to the original position after pulling out the cartridge cap. All the precision plastic parts of IQOS Heat Not Burn Tobacco Cigarette Heating Device are manufactured by China Xiamen Intretech Inc. The later trigger device is not long enough, and the trigger device can only be returned occasionally. These are not quality problems. You can apply a little neoprene or other methods to extend the trigger device.
6. The light goes out instantly after heating up
There are several possible reasons.
1. The heating plate is cleaned with alcohol under high-temperature operation. The heating plate has a circuit, which will cause an invisible short circuit.
2. Use a hard object to clean the heating film residue to damage the circuit board. Although the heating element seems not to be broken，in fact, the circuit has been broken hidden, so it turns off after startup. Only to repair and replace the heating plate.
