Home charge - the reason for the decrease from 32 drops to 16 kW

spiderman

Acquired a brand new 24 M3. The home charging process now experiences a decrease in power shortly after it begins. I had a 2018 M3 for a period of 6 years, during which it consistently charged at a rate of 32. Utilizing cable manufactured in 2018. There are absolutely no additional alterations whatsoever. How do I return to the value of 32? Does the new automobile have a distinct safety heat protection system that reduces its speed? Is an old cable identical to a new one? Thank you for your suggestions.

kinsella

There seems to be a significant number of these occurrences today.

Initially, detach the plug head from your Mobile Connector and securely re-insert it. Next, examine your Tesla application and in-vehicle settings to see whether it is restricting the amperage.

whether that is not possible, attempt to charge at a Chargepoint Level 2 or a comparable charging station that provides a current higher than 16 amps, in order to see whether you can achieve a charging rate greater than that. If you are able to, there is a malfunction either with the mobile connection or the outlet you are using. If you are unable to do so, you may need to communicate with Tesla about the secondary on-board charger in the vehicle.

umountfs

The screen displays a numerical value, such as 16/32, 32/32, or a similar format. What are you displaying? What is the initial state and final state of it?

spiderman

Thank you for the advice. The fact is that there have been no changes. The year 2018 The Tesla was fully charged the day before at a rate of 32 units. The initial value is 32, which decreases to 16 after a span of 15 minutes. The value then steadily increases until it reaches 80%. It is difficult to perceive the changes in the charging cable. I set the car's settings to 32 in order to ensure that it does not exceed my electric output. I have not yet experienced the usage of a supercharger, and I seldom use a destination charger. However, I want to make use of both in the future.

umountfs

Kindly provide the requested figures as they will be beneficial.

However, I assume that there may be a loose screw on the plug. It is very prevalent after a significant period of time. The occurrence of a voltage drop prompts the automobile to reduce its charging limit.

IcePhreak

If the charging process begins at a rate of 32/32 amps, it should remain at that level under typical circumstances.

If just the numerator of the fraction decreases (e.g. 16/32), it means that the charging equipment (not the car) has specifically asked for a decrease in the amount of electric current being used for charging. This is often a result of the charging equipment experiencing overheating, which may be caused by several factors such as direct sunlight on a hot day or poor wiring.

If the numerator and denominator of a fraction representing the charging current drop to the same value (e.g., 16/16), it indicates that the car has requested a decrease in the charging current. This is often a result of a significant decrease in voltage, which may be attributed to inadequate or defective wiring. Another potential explanation for this issue might be a malfunction in the on-board charging circuitry inside the vehicle's Power Conversion System.

spiderman

Excellent information. I will provide the figures tomorrow throughout the process of recharging. I will also investigate the potential of a loose screw. I will also disconnect a room air conditioning unit that was not a concern for the former automobile but may potentially be an issue in this case. I will return. This is far more beneficial than all the online searches I conducted without success.

spiderman

I believe the issue has been resolved. Thus far, at the very least. The temperature dropped today, reaching a high in the 80s, prompting me to switch off my room air conditioning. I pondered, supposing that it may be the cause of the issue. After connecting the charger, the device's battery level stayed at 32% for the last hour, just as it was before. Probable cause: excessive drag on the box and potential interference between the automobile and A/C operating on the same or adjacent circuit. Alternatively, it is possible that the lower temperature prevented the plug from overheating and activating the protective mechanism. Regardless, I will resurface if I see the number 16 once again - and I express my gratitude to all of you for the exceptional guidance.

sandra

If the air conditioning (A/C) unit is connected to the same electrical circuit, it will result in an overload every time the compressor begins. This will prompt the mobile connection to rapidly identify the overload and begin reducing its power output.

If the devices are not connected to the same electrical circuit, it is possible that the problem you are experiencing is due to insufficient power supply from the main source. This might be caused by running the air conditioning and charging the automobile simultaneously, resulting in a decrease in voltage. The recommended solution for this issue is to improve the mains supply and circuit box. However, you may mitigate the problem by avoiding the simultaneous use of many high-amp appliances. To optimize energy use, it is advisable to charge the automobile at nighttime when the air conditioning is less active and when there is no simultaneous use of appliances such as the clothes dryer, stove, dishwasher, or tap water heater.