Hayati Pro Ultra 25000 Not Working? 10 Common Problems & Proven Fixes

The Hayati Pro Ultra 25000 is a popular dual-flavour prefilled pod kit with up to 25,000 puffs, an 850mAh rechargeable battery, mesh coil technology and a smooth MTL draw-activation system. Most of the time it performs reliably – but like any vape device, problems can and do happen.

If your Hayati Pro Ultra 25000 is not working, not hitting, tasting burnt, leaking, or refusing to charge, this guide walks you through real, practical fixes you can try at home before giving up on the device.

In this troubleshooting guide, you’ll find:

• The most common Hayati Pro Ultra 25k problems

• Why they happen (battery, pod, airflow, coil, sensor, or charging issues)

• Clear step-by-step solutions

• When it’s time to replace the pod – and when it’s likely the device itself

This is written for real users, not engineers – but still covers the important tech terms like mesh coil, airflow sensor, pod connection pins, USB-C charging, lithium-ion battery and more.

Quick Checklist Before You Panic

If your Hayati Pro Ultra 25000 isn’t behaving normally, quickly check:

• Is the pod nearly empty, burnt, or leaking?

• Is the pod properly seated and clicked in with the magnets?

• Is the battery charged via USB-C (5V adapter)?

• Are the airflow holes blocked by fingers, pocket lint, or dust?

• Is the LED / display showing an error flash or low battery?

If you’ve checked the basics and it’s still not right, work through the issues below.

Device Not Firing (No Vapour When You Inhale)

You pull on the mouthpiece… nothing. No vapour, no crackle, no response. This is the most common complaint when the Hayati Pro Ultra 25k is not hitting.

Possible Causes

• Empty pod or dry wick

• Burnt or worn-out mesh coil inside the pod

• Loose pod connection or dirty contact pins

• Fully drained 850mAh battery

• Airflow sensor not detecting your inhale due to blockages or misalignment

How to Fix It

1. Check pod liquid level

   • Look through the transparent pod window.

   • If it’s empty or almost empty → replace the pod.

2. Swap to a fresh pod

   • Even if some liquid remains, the coil may be burnt out.

   • Insert a new Hayati Pro Ultra 25000 prefilled pod to rule out a dead pod.

3. Clean and reseat the pod

   • Remove the pod.

   • Wipe the magnetic contacts and gold pins with a dry tissue or cotton bud.

   • Reinsert the pod until it clicks and sits firmly in the MTL airflow chamber.

4. Recharge the battery

   • Use a USB-C cable and 5V wall adapter.

   • Charge for 35–45 minutes until the LED / display shows full battery.

5. Clear airflow

   • Make sure air inlets on the sides/bottom aren’t blocked.

   • Gently blow through the mouthpiece or wipe around the airflow inlets.

When It’s Probably the Device

If a new pod, clean contacts, and a fully charged battery still produce no vapour at all, the internal airflow sensor or control chip may be faulty. In that case, the safest option is to replace the device.

Hayati Pro Ultra 25000 Not Charging

If the Hayati Pro Ultra 25k won’t charge, dies quickly, or the LED doesn’t light when plugged in, the issue is usually around the USB-C port, cable, or adapter – not always the device itself.

Common Causes

• Damaged or low-quality USB-C cable

• Weak or incompatible power adapter

• Dust, lint or residue in the USB-C charging port

• Overused lithium-ion battery nearing end of life

• Fault in the internal charging circuit / IC

Step-by-Step Solution

1. Change the cable and adapter

   • Try another USB-C cable (ideally new or high-quality).

   • Use a 5V wall adapter, not a laptop or low-power hub.

2. Clean the USB-C port

   • Inspect the port for lint, dust, or sticky residue.

   • Use a dry cotton swab or toothpick very gently.

   • Do not use liquid cleaners.

3. Check for charging indication

   • Plug in and look for LED glow / pulsing or battery symbol on the display.

   • Leave on charge for 35–45 minutes.

4. Let it cool if warm

   • If the device feels hot, unplug and allow 10–15 minutes to cool before retrying.

When to Replace

If multiple cables, different adapters, and a cleaned port still don’t give any charging response, the battery or charging board is likely damaged. Replacement is the only realistic fix.

Weak Vapour or Muted Flavour

If your Hayati Pro Ultra 25k is firing, but the clouds are thin or flavour feels dull, it’s usually down to pod age, coil wear, chain-vaping, low battery, or restricted airflow.

Likely Reasons

• Pod almost empty → cotton not fully saturated

• Mesh coil is nearing the end of its life

• Chain vaping without pauses

• Battery voltage is low

• Partially blocked airflow holes

How to Fix Weak Vapour

1. Check and change pod

   • If the e-liquid level is low → replace the pod.

   • If there’s liquid but it still feels weak → coil is tired → new pod.

2. Slow down your puffing

   • Leave 15–20 seconds between puffs.

   • This gives the wick time to re-soak.

3. Charge the battery fully

   • Low battery means weaker output even before it dies.

   • Charge to 100% via USB-C for full performance.

4. Clear airflow

   • Clean around airflow inlets and ensure fingers aren’t covering them while you inhale.

If flavour and vapour stay weak even with a full battery and new pod, that pod is either defective – replace it.

Burnt or Harsh Taste

A burnt taste from your Hayati Pro Ultra 25000 is not something you can “fix away”. Once the cotton in the pod is burnt, the pod is finished.

Common Triggers

• Pod completely empty

• Mesh coil overheated and burnt the wick

• Chain vaping too fast

• Not fully switching between dual flavours, leaving the wick under-fed

• Vaping on very low battery, causing uneven heating

What to Do

1. Check pod e-liquid level

   • If empty → replace immediately.

   • Never keep pulling on an empty pod.

2. Replace the burnt pod

   • If the taste is burnt even with liquid still inside, the coil is scorched.

   • Swap to a new Hayati Pro Ultra 25k pod – burnt taste does not recover.

3. Slow your draw pattern

   • Take steady MTL puffs with pauses between hits.

4. Switch flavours properly

   • Twist the dual-flavour mouthpiece until it fully clicks to one side.

   • Half-twisted position can starve the wick and cause dry hits.

If burnt taste persists after changing the pod, don’t keep using it – it’s either a defective pod or an internal power issue. Replace the pod first; if still bad, consider replacing the device.

Leaking or Gurgling Pod

Some gurgling or light condensation is normal, but constant leaking from the Hayati Pro Ultra pod or heavy gurgling needs attention.

Why It Happens

• Pod is worn out and seals are weakening

• Condensation build-up inside chimney / mouthpiece

• Very hard draws cause flooding

• Exposure to heat thins the e-liquid

• Pod not fully fitted, causing airflow misalignment

Fixing Leaks & Gurgles

1. Remove and clean

   • Take the pod out.

   • Wipe the pod base, magnetic connectors, and device slot with tissue.

2. Clear the mouthpiece

   • Wrap tissue around the tip.

   • Flick or blow gently through the mouthpiece to remove excess liquid.

3. Insert pod firmly

   • Push until you feel the magnetic click and it sits straight.

4. Adjust your draw

   • Use smooth, controlled puffs, not harsh, aggressive pulls.

5. Store upright & away from heat

   • Don’t leave it in hot cars, pockets in direct sun, or on radiators.

If leaking continues heavily after cleaning and reseating, the pod seals are likely compromised – replacing the pod is the only lasting fix.

Pod Not Detected / LED Flashing Errors

If the LED flashes when you try to vape and no vapour is produced, the device is usually signalling a pod error, short, or connection problem.

Possible Causes

• Pod not fully clicked into place

• Wet or dirty contact pins

• Flooded coil or chimney triggering protection

• Cracked or damaged pod base

• Empty or burnt pod

• Low or unstable battery

How to Fix It

1. Remove and inspect the pod

   • Check for cracks, warping, or liquid around the base.

2. Clean contact points

   • Dry the gold contacts and interior slot with tissue/cotton bud.

   • Let the device air-dry if you see any liquid inside.

3. Reseat the pod

   • Insert straight down until it clicks firmly into place.

4. Clear airflow

   • Ensure air inlets are open and not clogged.

5. Charge fully

   • A very low battery can trigger flashing under load.

6. Try a fresh pod

   • If the error persists, test with a new Hayati Pro Ultra 25k pod.

If the LED keeps flashing with multiple new pods and a full battery, the board or sensor is likely faulty → replace the device.

Auto-Firing or Device Getting Hot

Auto-firing (vape activating on its own) or noticeable overheating is a serious safety concern.

Likely Reasons

• E-liquid leaking into the sensor area

• Faulty pod causing a short or confusing the draw sensor

• Internal battery or chip fault

What to Do Immediately

1. Remove the pod straight away

   • This cuts power to the coil and stops further firing.

2. Inspect and clean

   • Check inside the pod slot for condensation or leaks.

   • Wipe everything dry with tissue/cotton bud and let it sit for 10–15 minutes.

3. Do NOT charge while hot

   • Allow the device to cool completely before charging or testing.

4. Test with a new pod

   • If the issue only occurs with one pod, discard that pod.

5. If it auto-fires without a pod → Stop using it

   • That’s a clear sign of internal failure. Dispose of the device safely and replace it.

Never keep an overheating or auto-firing vape in your pocket or near flammable objects.

Airflow Too Tight or Too Loose

The Hayati Pro Ultra 25000 is designed for a balanced MTL draw, but sometimes the airflow feels restricted or too airy.

Usual Causes

• Airflow inlets blocked by fingers or lint

• Pod not fully seated, misaligning air channels

• Condensation in the chimney

• Slight manufacturing variance between pods

How to Improve Airflow

1. Inspect airflow holes

   • Check for dust, lint, or e-liquid and clean gently.

2. Reseat the pod

   • Remove and push back in until it properly clicks.

3. Clear condensation

   • Wrap the mouthpiece with tissue and give a gentle flick or blow to clear moisture.

4. Adjust your puff style

   • Tight draw: inhale a bit slower and smoother.

   • Loose draw: take longer, deeper MTL pulls to increase density.

If airflow remains extreme (very tight or very loose) across multiple new pods, the internal airflow channel may be damaged → replacement device.

Battery Draining Faster Than Expected

The 850mAh lithium-ion battery should comfortably support normal use, but heavy users or poor charging habits can make it feel weak.

Common Reasons

• Chain vaping or very frequent use

• Vaping in higher power / “turbo-style” behaviour

• Not fully charging to 100% or constantly overcharging

• Old, worn-out cell from hundreds of charge cycles

• Using or storing the device in very hot or cold conditions

• Faulty or leaking pod making the device work harder

How to Improve Battery Life

1. Moderate your usage

   • Space out puffs to reduce continuous load on the battery.

2. Charge properly

   • Use a 5V USB-C wall adapter.

   • Let it reach 100%, but don’t leave it on charge for hours afterwards.

3. Keep it at room temperature

   • Avoid leaving it in cars, direct sunlight, or freezing environments.

4. Check the pod

   • Replace any pod that’s hot, leaking, or acting strange.

If you’ve used the device for a long time (many charge cycles) and the battery only lasts a short period even with careful use, it’s simply nearing end of life – time for a new device.

Flavour Tastes Mixed After Switching Dual Flavours

The dual-flavour pod system is a big selling point of the Hayati Pro Ultra Plus 25000, but sometimes users notice the flavours seem to blend instead of switching cleanly.

Why Flavours Mix

• Mouthpiece not fully twisted to one side

• Residual vapour from the previous flavour inside the coil and chimney

• The wick being fully saturated with the old e-liquid

• Slight internal crossover in older or worn pods

How to Fix It

1. Twist until it firmly clicks

   • Make sure the dual-flavour selector is fully rotated, not left halfway.

2. Take a few “transition puffs”

   • The first 2–4 puffs after switching will often carry traces of the previous flavour.

   • After that, the wick saturates with the new e-liquid.

3. Clear airflow and condensation

   • Remove the pod and gently blow through the mouthpiece, then wipe the base.

4. Use a fresh pod for cleaner separation

   • Old pods may blur flavours due to worn internal separation and a tired coil.

Slight flavour crossover is normal in dual-flavour systems; it should clear after a few pulls if everything is working correctly.

Pod vs Device – Which One Needs Replacing?

In most cases with the Hayati Pro Ultra 25000:

• Pod issues = weak vapour, burnt taste, leaking, gurgling, mixed flavour, muted performance.

• Device issues = no power, won’t charge, no vapour with multiple new pods, constant error flashes, auto-firing without a pod.

As a simple rule:

• Start with a new genuine Hayati Pro Ultra 25k pod.

• If the problem survives across new pods and full charges, it’s very likely the device.

Conclusion

The Hayati Pro Ultra 25000 is a well-designed dual-flavour prefilled pod kit, but it’s still a piece of hardware – pods burn out, batteries age, and connections get dirty.

Most problems are solved by:

• Replacing a tired or burnt pod

• Cleaning contacts, airflow inlets, and the pod slot

• Charging correctly with a USB-C 5V adapter

• Avoiding chain vaping and excessive heat

• Ensuring the dual-flavour selector fully clicks into place

Use this troubleshooting guide whenever your Hayati Pro Ultra 25000 isn’t working properly, and you’ll usually be able to get back to smooth, consistent MTL vaping without needing a replacement straight away.