If your cannabis cartridge is not hitting, the cause is usually the battery, the 510 connection, or a clog inside the cart. Work through those three in order before you buy a replacement. Most carts that fail on a charged battery work again once the contact pin seats properly or the airway opens up.
What you need
- Your cartridge and the battery you use with it
- The charger that came with the battery
- Cotton swabs
- Isopropyl alcohol
- A paper clip or thin pin
Step-by-step troubleshooting
- Charge the battery until the indicator light shows a full charge.
- Press the power button five times fast to unlock the battery.
- Remove the cartridge and wipe the threads on the cart and the battery with a dry cotton swab.
- Screw the cartridge back on until it stops, then turn it back a quarter turn.
- Look at the center pin on the battery. If it sits level with the rim or below it, lift it about one millimeter with a paper clip.
- Draw on the mouthpiece for five seconds with the battery switched off. If no air moves, the cart is clogged.
- Clear the clog with a thin pin through the mouthpiece, or warm the cart in your hand for a minute and draw again.
- Set the battery to its lowest voltage and take a slow five-second draw.
- Swap in a different cartridge, then a different battery, to find which part is failing.
Battery problems
A light does not mean a charge
Many batteries show a light at 20 percent charge and still cut out under the load of a heating coil. Leave the battery on the charger for the full cycle. If the battery has a preheat mode, use it for a few seconds before your first draw.
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Locked and unresponsive
Several batteries ship locked. Five quick presses turn them on or off, and some models need two seconds of holding the button instead. Check the manual if the light does not respond at all.
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Voltage set too low
A battery running at 1.8 to 2.0 volts may produce almost no vapor. Distillate carts generally run well between 2.5 and 3.3 volts. Live resin and rosin carts taste better at the low end of that range. Raising the voltage too far produces a burnt, harsh hit and can damage the coil.
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Connection problems
The 510 connection is a mechanical contact, so a fraction of a turn matters. Overtightening the cartridge drives the cart pin into the battery pin, and the two can stop touching. Backing the cart off a quarter turn often restores contact. If the battery pin sits pushed down, lifting it with a paper clip brings it back into range. Oil residue on the threads also blocks the circuit, which is why a cotton swab with isopropyl alcohol helps.
Batteries that use a magnetic adapter need the adapter screwed fully onto the cartridge before it drops into the battery. A loose adapter is a common reason a cart works on one battery and not another.
Clogged carts
Oil pulled into the center tube blocks airflow. The signs are a tight draw, no draw at all, or gurgling. A preheat cycle or a few low-voltage pulses can loosen the oil. Warming the cart in your hand for a minute does the same thing without heat damage. Do not blow into the mouthpiece. That pushes oil deeper into the airway and into the battery contact.
When the cartridge itself has failed
Some carts cannot be saved. Leaked oil inside the battery, a burnt coil, or a cart stored in a hot car may be past repair. If the cart tastes burnt at the lowest voltage, spits oil, or reads as open on a battery that works with other carts, replace it. A brand new cart that never hit may be defective from the dispensary, and the retailer can usually exchange it.
Safety
Stop using any battery that is swollen, hot to the touch, or has a torn wrap. Charge vape batteries on a hard surface and not overnight. Do not store a loose battery next to keys or coins, since a short circuit can start a fire.