How to fix a solid red light on my NOCO Genius Remote Starter?
- TTracy RodriguezJul 28, 2025
If your NOCO Genius Remote Starter shows a solid red light, it indicates reverse polarity has been detected. To fix this, reverse the battery connections.
How to fix a solid red light on my NOCO Genius Remote Starter?
If your NOCO Genius Remote Starter shows a solid red light, it indicates reverse polarity has been detected. To fix this, reverse the battery connections.
What to do if the Hot LED is flashing on my NOCO Genius Boost X GBX155 Remote Starter?
If the Hot LED on your NOCO Genius Remote Starter is flashing, it means the unit is too hot to jump-start a vehicle. In this state, only the flashlight function is available. To resolve this, allow the unit to cool down.
Why is the Hot LED solid on my NOCO Genius Boost X GBX155 Remote Starter?
If the Hot LED on your NOCO Genius Remote Starter is solid, it indicates that the unit is fully operational but is approaching its upper temperature limit. To prevent overheating, allow the unit to cool down.
What to do if the Cold LED is flashing on my NOCO Genius Boost X GBX155?
If the Cold LED is flashing on your NOCO Genius Remote Starter, it means the unit is too cold to jump-start a vehicle and only the flashlight is available. To resolve this, allow the unit to warm up.
Why is the Cold LED solid on my NOCO Genius Remote Starter?
If the Cold LED on your NOCO Genius Remote Starter is solid, it means the unit is fully operational but is approaching its lower temperature limit. To resolve this, allow the unit to warm up.
What to do if my NOCO Genius Remote Starter is flashing red then solid red?
If your NOCO Genius Remote Starter is flashing red and then shows a solid red light, it could be due to several reasons: * If charging the unit, the cable or charger may be damaged. * If charging a USB-C device, the cable or device may be damaged. * The connected charger may be incompatible. Unplug the USB cable, turn the unit off and on, and use a different charger.
Why is my NOCO Genius Boost X GBX155 Remote Starter flashing a different number of times?
If your NOCO Genius Remote Starter is showing single, double, triple, quadruple, or sextuple flashes, it indicates several potential issues: * A short circuit has been detected on the battery clamps. Remove all loads and reconnect the clamps to the battery. * High voltage has been detected at the clamps (the GBX155 is connected to a voltage system greater than 12V, such as 24V). * A bad battery cell has been detected. * A charge timeout error has occurred (i.e., the GBX155 has been in bulk charge for too long). * Back-charge has been detected into the GBX155 through the clamps while in Boost Mode (i.e., the GBX155 is in Manual Override and then connected to a system greater than 12V, such as 24V).
Product is an electrical device that can shock and cause serious injury. Do not cut power cords or submerge in water.
Unmonitored, incompatible, or damaged batteries can explode. Do not attempt to jump start damaged or frozen batteries.
Product emits heat and can cause burns. Do not cover product, smoke, or use sparks near it.
Wear eye protection. Batteries can explode causing flying debris and acid irritation.
Batteries generate explosive gases. Follow safety information and battery manufacturer instructions.
Covers common errors like reverse polarity, short circuits, and temperature issues.
Product is an electrical device that can shock and cause serious injury. Do not cut power cords or submerge in water.
Unmonitored, incompatible, or damaged batteries can explode. Do not attempt to jump start damaged or frozen batteries.
Product emits heat and can cause burns. Do not cover product, smoke, or use sparks near it.
Wear eye protection. Batteries can explode causing flying debris and acid irritation.
Batteries generate explosive gases. Follow safety information and battery manufacturer instructions.
Covers common errors like reverse polarity, short circuits, and temperature issues.
| Brand | NOCO Genius |
|---|---|
| Model | Boost X GBX155 |
| Category | Remote Starter |
| Language | English |












Loading...