How to fix a stuck fire button on a Lost Mary TP800

A Lost Mary TP800 with a stuck fire button may be affected by pocket lint, a poorly seated pod, an electronic lock, moisture or genuine mechanical damage. A careful diagnosis can separate those causes instead of forcing the control. Work on a cool, dry surface, keep the device away from flames, and never prise open the battery housing. If you do not already use nicotine, do not start; nicotine is addictive and should be kept away from children.

This guide is for Australian adults who already smoke or vape. In Sydney, Melbourne and Brisbane, counter sales commonly involve an ID check, while some regulated nicotine products are dispensed through pharmacies under separate controls. Federal rules tightened on 1 July 2024: legally sold nicotine vaping products must meet quality, ingredient and labelling standards, sales to under-18s are prohibited, and general retail sale of single-use disposables is prohibited. Check the current Therapeutic Goods Administration register before buying because legal availability can differ from an online catalogue.

Tell a mechanical jam from a power or lock fault

Start by testing the symptom. If the button moves freely but the TP800 does not fire, the likely issue is a lock, low charge, a poorly seated pod or a connection problem. If the button is physically depressed, rough or unable to move, debris and mechanical damage are more likely. Do not keep pressing; repeated force can bend the switch or damage the surrounding seal.

Remove the pod only if your model allows it, then inspect around the button and pod bay. A brief visual check often separates a simple obstruction from a failed switch. The Lost Mary Pro device-care guides cover useful maintenance routines, but the TP800 manual and instructions supplied with your device should take priority over generic advice.

Run a safe power and connection check

Before attempting a reset, rule out the everyday causes with a short sequence:

• Check whether the device is locked by using the lock method stated in its manual.
• Re-seat a removable pod without forcing the connector and inspect for visible dirt or bent contacts.
• Charge with the manufacturer-specified cable and a suitable USB power source, away from heat.
• Test the button in a clean, dry place after disconnecting the charger.

Allow the TP800 to cool if it has been near a sunny window or a hot car. Do not charge it if it is swollen, hot, wet or visibly damaged. After charging, give the pod connection a final check and press the button gently once. A response after the pod is reseated points to a connection issue; no response despite full power suggests an electronic or mechanical fault.

Clear debris without opening the device

With the TP800 switched off and disconnected from power, use a dry, lint-free cloth or soft brush around the button opening. Loose pocket fluff is common after days of commuting on Sydney trains or spending time in Melbourne’s CBD. A gentle puff of air can lift light debris, but do not push material deeper with a pin, paperclip or blade.

If the button feels sticky, let the device cool and clean only the exterior. Oils, household sprays, alcohol and compressed air may damage buttons, seals or the battery cavity unless the manufacturer specifically approves them. Do not flood the charging port with cleaner, and do not soak the device. Liquid inside a lithium-powered vape can cause a short circuit, heat or swelling, turning a simple button problem into a much larger safety risk.

Use only documented lock and reset methods

Some Lost Mary devices use a rapid series of clicks to change the lock state, but that instruction is not universal across the range. If the TP800 manual specifies a lock command, follow it exactly before attempting more involved troubleshooting. If the button does not move at all, a software lock is unlikely to be the cause, and repeating a click command will not free a jammed switch.

There is no safe universal TP800 reset sequence to try at random. Manufacturer-specific procedures may depend on the firmware, pod type or a special charging accessory, and incorrect combinations can leave the device unusable. Check the official manual for the exact model and batch, then ask Lost Mary or the retailer for a written reset procedure if one is available. Never open the casing to reach the reset mechanism because the internal battery and charging contacts may be damaged in the process.

Stop immediately when safety warning signs appear

Some symptoms mean the button is not the main concern. Check for these warning signs before trying another cleaning method:

• The battery is swollen, dented, unusually hot or makes a hissing sound.
• There is a chemical or burnt smell, leaking liquid or visible corrosion.
• The button sparks, feels loose or moves in a way that could short the contacts.
• The device becomes unusually hot while charging or sitting unused.

If you notice any of these signs, stop using and charging the TP800, unplug it if safe, and move it away from combustible material. Do not put a damaged lithium battery in a garden bin, general rubbish or a vehicle glovebox; Australian households and workplaces should use an approved battery recycling or hazardous-waste service where available. If there is smoke or fire, leave the area, call 000 and do not attempt to carry the device through the building.

Check compatibility before changing device type

If basic checks do not restore the button, a reusable pod system may be easier to maintain than replacing a sealed disposable. The prefilled pods and disposables comparison explains the practical differences, including refill access, waste and ongoing device care. Keep any switch or pod issue separate from the question of flavour, and confirm that a replacement part is intended for the exact platform before buying it.

Australian buyers should also check the TGA Australian Register of Therapeutic Goods for the precise product and consult the seller’s current compliance information. Online age gates do not replace the requirement for sellers and retailers to restrict sales to adults. A product listed in a website’s flavour range is not automatically approved for every Australian retail channel, so verify both device compatibility and legal sale status before ordering.

Get Australian support and a safe replacement

If the TP800 remains unresponsive after a careful clean and documented lock check, contact Lost Mary or the Australian retailer where you bought it. Have the model, serial or batch number, purchase date and receipt ready, and describe the tests already completed. Under the Australian Consumer Law, a faulty product sold in Australia may entitle you to a repair, replacement or refund, depending on the circumstances and the terms of the purchase. Do not open or modify the device while a warranty assessment is pending.

The BM600S is a different Lost Mary range, so it should not be treated as a universal TP800 substitute. Its BM600S flavor update can help with product selection on that system, but compatibility must still be verified from the model name, connector and manual. Likewise, check whether a Tappo product is designed for your TP800 rather than assuming that a shared Lost Mary name means the parts fit.

Heat and travel can complicate small faults. Never leave the TP800 in a parked car during a hot Sydney or Melbourne summer, and keep spare lithium-powered devices or batteries in carry-on luggage with terminals protected during Australian flights. If another TP800 is being considered, compare the button design, pod format and warranty rather than relying on capacity, colour or flavour alone. Ask the retailer to confirm age verification, current legality and the return policy at the time of purchase.

Contact the seller promptly for a safe diagnosis or authorised replacement, and keep the TP800 out of use until the assessment is complete. If it cannot be returned, follow local battery and electronic-waste disposal rules.