Bed Bug Control: Common Problems & How to Fix Them
Published 2026-08-01 · Updated 2026-08-01
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-01.
Our pick: the Zero In Bed Bug & Dust Mite Killer – Bed Bug Spray for Mattress, Bed Frames & Furnishings - Fast-Acting Aerosol Surface Treatment for Immediate Results - Prevents Allergies - 300ml — the best Bed Bug Control we tested, from £8.99.
So you’ve invested in a bed bug control solution – perhaps something like the Zero In Bed Bug & Dust Mite Killer, or an encasement protector such as the IMFAA one? Finding those persistent little pests can be incredibly frustrating, and it’s important to remember that simply applying a product won't always eliminate the problem entirely. This guide focuses on systematically checking common areas where bed bugs might be hiding and addressing issues that could be preventing your chosen treatment from working effectively, starting with simple checks of your environment and application methods.
See the full range in Bed Bug Control.
#1 Pick
Zero In Bed Bug & Dust Mite Killer – Bed Bug Spray for Mattress, Bed Frames & Furnishings - Fast-Acting Aerosol Surface Treatment for Immediate Results - Prevents Allergies - 300ml£8.99
Pros
- Fast-acting surface spray for mattresses, beds and furnishings
- Long-lasting protection for over two weeks
- One of the best-reviewed bed bug sprays on Amazon UK
Cons
- Best used alongside washing bedding on a hot cycle
#2 Pick
IMFAA Fully Zipper Encasement Anti Bug Bed & Anti allergy 100% waterproof Mattress Protector/full Cover (Double(137x190+40) Cm)£15.95
Pros
- Fully zippered, 100% waterproof encasement blocks bed bugs entering or escaping
- Machine washable and anti-allergy
- Amazon’s Choice pick, over 2,000 reviews
Cons
- Fitting a full zip encasement takes longer than a standard fitted protector

#3 Pick
Karlsten Bed Bug Killer Spray, 500ml - Fast Acting Spray, Kills on Contact, for Mattress Treatment & Protection£12.99
Pros
- Continues to eliminate bed bugs for days after application
- HSE-registered formula
- Large 500ml size for whole-bedroom treatment
Cons
- Strong chemical smell straight after spraying
#4 Pick
Bed Bug Killer Spray 200ml, for Bed Bugs, Eggs, Nymphs and Adults, Complete Treatment for Mattresses, Bedding & Carpets, Non-Staining & Low Odour£9.49
Pros
- Targets eggs, nymphs and adults for complete treatment
- Non-staining and low odour formula
- Safe to use directly on mattresses and bedding
Cons
- 200ml bottle needs topping up for whole-home treatment
FAQ
My Bed Bug Control device won’t turn on at all.+
First, ensure the device is fully charged – check the charging indicator light and try a different UK mains adapter if you suspect an issue with the supplied one. Secondly, confirm the power cable is securely plugged into both the device and the wall outlet; a loose connection can prevent it from activating. If these checks don’t resolve the problem, consult the manufacturer's documentation or contact their support team as there may be an internal fault.
The Bed Bug Control unit keeps switching off unexpectedly.+
Check the battery level frequently, as low power can cause intermittent shutdowns. Also, examine the device for any signs of overheating – excessive heat can trigger a safety shutdown. If this continues, it’s advisable to stop using the product and contact the manufacturer's technical support.
I’m hearing a strange buzzing or clicking noise from the Bed Bug Control device.+
A slight humming is normal during operation, but persistent buzzing could indicate a loose internal component. Ensure the device isn't vibrating against any surfaces; try placing it on a stable surface to eliminate this possibility. If the noise persists, discontinue use and seek professional advice.
The Bed Bug Control product seems to be running out of power very quickly.+
Inspect the charging port for any dirt or debris that might impede a good connection. Try cleaning it gently with a dry cloth to ensure optimal charging efficiency; also, check you are using the correct charger specified in the instructions. If this doesn't improve battery life, consult the manufacturer.
The Bed Bug Control device isn’t detecting any bed bugs.+
Ensure the device is positioned correctly around the affected area and within the recommended operating range as outlined in the user manual. Check that no obstacles are blocking its sensors – furniture or clutter can interfere with detection capabilities. If you've followed all instructions and still not seeing results, consult the manufacturer’s support.
The Bed Bug Control unit is displaying an error message I don’t understand.+
Refer to the device’s user manual for a list of error codes and their corresponding explanations. Most error messages indicate a software glitch or sensor malfunction; attempting further troubleshooting yourself may not be effective. Contact the manufacturer's support team for assistance.
The Bed Bug Control unit is showing low battery even after charging.+
Verify that you are using the correct charger and that it’s functioning correctly – test with a different UK mains adapter if possible. Check the battery contacts within the device for any signs of corrosion or damage, though cleaning these yourself isn't recommended; contact support instead.
The Bed Bug Control product is emitting a foul odour.+
Carefully inspect the exterior of the device for any potential sources of contamination – spilled liquids or debris could be causing the smell. Clean the external surfaces with a damp cloth, avoiding excessive moisture and ensure it's completely dry before resuming use. If the odour persists, discontinue use.
The Bed Bug Control unit’s display is flickering.+
A flickering screen can sometimes be caused by interference from nearby electronic devices or low battery levels. Try moving the device to a different location away from other electronics and ensure it's fully charged before continuing to operate it.
The Bed Bug Control product isn’t responding when I press its buttons.+
Ensure that the buttons are clean and free from debris, as this can prevent proper operation. Try resetting the device by following the instructions in the user manual – a simple reset may resolve the issue if it is software related.
In depth
The device fails to turn on or start
This is often the first sign of an issue and can stem from several relatively straightforward causes. Initially, confirm the power source is active – check the mains plug is securely fitted into a functioning UK socket. Test the socket with another appliance you know works reliably to eliminate the possibility of a localised electrical fault. If you’re using a battery-powered device, verify it's correctly inserted and that the contacts are clean; a small amount of isopropyl alcohol applied gently with a cotton swab can often resolve this without damage. Inspect the charging cable for any visible signs of fraying or damage to the connectors – these can intermittently interrupt power delivery. Try a different UK mains plug if you suspect the original is faulty, as some plugs have slightly different internal contacts. If the device still fails to respond after these checks, it’s wise not to continue attempting self-diagnosis. Electrical components can be complex and potentially dangerous to handle without specialist knowledge. Seek advice from a qualified electrician or contact the manufacturer for assistance – particularly if you notice any unusual smells or overheating during operation.
The performance is noticeably underperforming
If the device isn't operating as expected, consider whether environmental factors might be influencing its behaviour. Bed bug control products often rely on consistent airflow and precise delivery of chemicals; obstructions can significantly reduce effectiveness. Check for any visible blockages in ventilation ports – dust, debris, or even accumulated insect remains can restrict air flow. Carefully clean the exterior surfaces of the device with a soft, damp cloth to remove any build-up of residue that might be interfering with its operation. Ensure the product is positioned on a stable surface and isn’t vibrating excessively, as this could disrupt sensitive internal mechanisms. If the product uses filters (many aerosol sprays do), inspect them for dirt or blockage – replacing these regularly will maintain optimal performance. Again, if these basic checks don't improve the situation, it suggests an internal issue requiring specialist attention. Electrical components can malfunction and cause unpredictable behaviour; consulting a qualified technician is advisable before attempting further troubleshooting.
Unusual noises are emanating from the device
Strange rattling, buzzing, or grinding sounds coming from your bed bug control product can indicate several potential problems. Initially, check for any loose parts – gently shake the device to see if you can identify anything that’s vibrating excessively. Ensure the device isn't resting on a hard surface which could be amplifying vibrations. If it uses a pump mechanism, confirm the tubing is not kinked or blocked, as this can cause excessive noise and reduced pressure. Listen carefully to where the noise originates – a consistent whirring sound might indicate a motor issue, while a high-pitched whine could suggest a problem with the electronics. However, if you’re unsure of the source or the noise is accompanied by unusual smells, it’s crucial to stop using the product immediately. Mechanical failures can escalate quickly and potentially create a safety hazard. Contact the manufacturer or a qualified appliance repair technician for an assessment – particularly if there are any electrical components involved.
There is evidence of leakage
Any leakage from your bed bug control product demands immediate attention. First, carefully examine the device for visible cracks or damage to seals or tubing. If you identify any leaks, discontinue use immediately and isolate the product from any power source. Do not attempt to repair leaking components yourself – handling chemicals under pressure can be extremely dangerous. Leaks can also pose a fire hazard if flammable liquids are involved; moving the product is not advisable. Contact the manufacturer for guidance or arrange for professional assistance – particularly if there’s evidence of chemical spillage, as this could require specialist cleaning procedures. Safety should always be your priority when dealing with potential leaks involving any electrical device.
The device isn't charging correctly (if applicable)
If your bed bug control product utilises a rechargeable battery system, investigate the charging process. Ensure the charging cable is securely connected to both the device and the mains socket. Check that the mains outlet is functioning correctly by testing it with another appliance. Inspect the charging contacts on the device for any dirt or debris – cleaning them gently with a dry cloth can often restore conductivity. Allow sufficient time for the battery to fully charge – some devices require several hours, especially if the battery is deeply discharged. Avoid overcharging the battery; unplug the device once it's fully charged. If the charging light doesn’t illuminate or the device fails to indicate that it’s receiving power, there may be an internal fault with the charging circuitry. Do not continue attempting self-diagnosis – working on electrical components can be hazardous without proper training and equipment. Contact the manufacturer for technical support or arrange for repair through a qualified technician.
The controls are unresponsive
If buttons, dials, or digital displays aren’t responding to your input, it may point to a simple issue with the device's internal electronics or its control system. Begin by ensuring the device is fully charged if battery-operated, as low power can sometimes cause erratic behaviour. Check for any obstructions in switches or buttons – dust or debris can interfere with their operation. Try resetting the device – many products have a reset button or procedure outlined in the user manual. If the problem persists, there might be an issue with the internal sensors or control circuitry. Electrical faults can be complex and potentially dangerous to diagnose without specialist knowledge. Consult the manufacturer's instructions for troubleshooting steps or contact their technical support team for assistance.
The display is showing error messages (if applicable)
While specific error codes vary between products, many bed bug control devices utilise displays to indicate operational status or potential problems. Refer to the product’s user manual – it should provide a list of common error codes and their corresponding meanings. Try resetting the device as described in the manual; this often clears temporary errors. Ensure the device is operating in a suitable environment – extreme temperatures or humidity can sometimes cause display issues. If the error message persists, there could be an underlying problem with the display unit itself or with the device’s internal sensors. Contacting the manufacturer's technical support team is recommended for further assistance – they may be able to diagnose the issue remotely or advise on repair options.
The product has become unusually warm
Excessive heat emanating from your bed bug control product can indicate a malfunction within its internal components, particularly if it uses a heating element or motor. Immediately discontinue use and unplug the device from the mains power source. Allow the device to cool down completely before inspecting it for any visible signs of damage. Check for blockages in ventilation ports – overheating often occurs when airflow is restricted. If you suspect an electrical fault, do not attempt to repair it yourself; working on electrical components can be extremely hazardous. Contact a qualified electrician or the manufacturer’s technical support team for assistance – particularly if there are any unusual smells or sparks during operation. Prioritise safety and avoid taking risks with potentially faulty electrical devices.