--- title: "Air Conditioning Diagnostics Bournemouth & Dorset | Adapt Mechanical" description: "Electronic and refrigerant-side air conditioning diagnostics across Bournemouth, Poole and Dorset. Find the real cause, not just the symptom. F-Gas certified." lang: en-GB json-ld: | [ { "@context": "https://schema.org", "@type": "Organization", "@id": "https://adaptmechanical.co.uk/#organization", "name": "Adapt Mechanical Services", "legalName": "Adapt Mechanical Services Ltd", "url": "https://adaptmechanical.co.uk/", "logo": "https://adaptmechanical.co.uk/__l5e/assets-v1/90b5aa89-6828-4f13-9036-9777fd42e2db/favicon.png", "image": "https://adaptmechanical.co.uk/__l5e/assets-v1/90b5aa89-6828-4f13-9036-9777fd42e2db/favicon.png", "telephone": "+44 1202 144008", "email": "Info@adaptmechanical.co.uk", "areaServed": [ "Bournemouth", "Poole", "Christchurch", "Wimborne", "Ferndown", "Ringwood", "Dorset", "Hampshire", "Salisbury" ], "address": { "@type": "PostalAddress", "streetAddress": "Lower Flat, 7 Windermere Road", "addressLocality": "Bournemouth", "addressRegion": "Dorset", "postalCode": "BH3 7LF", "addressCountry": "GB" }, "sameAs": [ "https://www.facebook.com/61564676105386", "https://www.instagram.com/adapt_mechanical/" ] }, { "@context": "https://schema.org", "@type": "WebSite", "@id": "https://adaptmechanical.co.uk/#website", "name": "Adapt Mechanical Services", "alternateName": "Adapt Mechanical", "url": "https://adaptmechanical.co.uk/", "inLanguage": "en-GB", "publisher": { "@id": "https://adaptmechanical.co.uk/#organization" } }, { "@context": "https://schema.org", "@type": "Service", "serviceType": "Air Conditioning Diagnostics", "name": "Air Conditioning Diagnostics", "areaServed": { "@type": "City", "name": "Bournemouth" }, "provider": { "@type": "LocalBusiness", "name": "Adapt Mechanical Services", "telephone": "01202 144008", "address": { "@type": "PostalAddress", "streetAddress": "Lower Flat, 7 Windermere Road", "addressLocality": "Bournemouth", "addressRegion": "Dorset", "postalCode": "BH3 7LF", "addressCountry": "GB" } }, "description": "Electronic and refrigerant-side air conditioning diagnostics across Bournemouth, Poole and Dorset. Find the real cause, not just the symptom. F-Gas certified." }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How much does a diagnostic visit cost?", "acceptedAnswer": { "@type": "Answer", "text": "Fixed £165 inc VAT for a single-unit domestic diagnostic with written report. Multi-unit homes and commercial sites are quoted on the specifics — typically £165 for the first unit and £75 per additional unit on the same visit." } }, { "@type": "Question", "name": "How long does the diagnostic take?", "acceptedAnswer": { "@type": "Answer", "text": "Around 90 minutes per unit on site, plus 30 minutes for the written report afterwards. The report lands in your inbox within 24 hours of the visit." } }, { "@type": "Question", "name": "Is the diagnostic fee credited against the repair?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — if you proceed with the recommended repair within 30 days, the £165 diagnostic fee is credited in full against the repair invoice. You only pay it twice if you choose another company for the fix." } }, { "@type": "Question", "name": "Can you diagnose a system you didn't install?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — we carry the manufacturer service-tool adapters for Daikin, Mitsubishi Electric, Mitsubishi Heavy, Panasonic, Fujitsu, LG, Toshiba and Samsung, plus universal F-Gas and electrical test kit." } }, { "@type": "Question", "name": "What if you can't find the fault?", "acceptedAnswer": { "@type": "Answer", "text": "It hasn't happened. If we ever genuinely can't diagnose, we don't charge — and we'll tell you which specialist (manufacturer technical line, motor rewind specialist, etc.) is the right next step." } }, { "@type": "Question", "name": "Will diagnostics void my warranty?", "acceptedAnswer": { "@type": "Answer", "text": "No — F-Gas-registered diagnostic work documented properly keeps the warranty intact. We log every diagnostic visit in the manufacturer service record where one exists." } }, { "@type": "Question", "name": "Can you provide a report for my landlord or insurance?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — every diagnostic includes a formal written report suitable for landlord records, insurance claims, lease disputes, pre-purchase surveys and warranty disputes." } }, { "@type": "Question", "name": "Do you offer pre-purchase diagnostics?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — popular with buyers of Bournemouth, Poole and Christchurch properties that have legacy or coastal-mounted systems. Booked direct or through your surveyor." } }, { "@type": "Question", "name": "Do you cover my area?", "acceptedAnswer": { "@type": "Answer", "text": "We're based in Bournemouth and cover Poole, Christchurch, Wimborne, Ferndown, Ringwood, Salisbury and the wider Dorset and Hampshire region. If you're inside the BCP postcodes or within a 30-minute drive of Bournemouth town centre, you're inside our rapid-response patch." } }, { "@type": "Question", "name": "Are you F-Gas registered?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — every Adapt engineer is F-Gas certified to handle, recover and recharge refrigerant. Our F-Gas company registration is held under Adapt Mechanical Services Ltd, Company No. 15463021, and we carry full public liability insurance on every job." } }, { "@type": "Question", "name": "Will I get a written quote?", "acceptedAnswer": { "@type": "Answer", "text": "Always. The site visit is free, the quote is fixed in writing within 24–48 hours, and we don't add surprise extras to the invoice. If something genuinely needs to change once we're on site, we tell you before we start work — never after." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "/" }, { "@type": "ListItem", "position": 2, "name": "Services", "item": "/services" }, { "@type": "ListItem", "position": 3, "name": "Air Conditioning Diagnostics", "item": "https://adaptmechanical.co.uk/services/diagnostics" } ] } ] --- Bournemouth, Dorset Mon–Fri 7am–7pm · Sat–Sun 9am–7pm · Rapid Response Across Dorset & Hampshire [Info@adaptmechanical.co.uk](mailto:Info@adaptmechanical.co.uk)[01202 144008](tel:+441202144008) [![Adapt Mechanical Services — design, install, service](/__l5e/assets-v1/9f4b50c1-0efb-49ea-a654-b1d6329b6101/adapt-logo.png)](/) [About](/about) [Services](/services) [Service Areas](/service-areas) [Our Work](/our-work)[Contact](/contact) [01202 144008](tel:+441202144008)[Request Estimate](/contact) Summer Offer — Air conditioning installed from £1,499 [Get your quote →](/contact) 1. [Home](/) 2. [Services](/services) 3. Air Conditioning Diagnostics Diagnostics · Fault Finding # Air Conditioning Diagnostics & Fault Finding Across Bournemouth & Dorset Recurring fault codes, intermittent shutdowns, suspected refrigerant leaks, mystery noises — diagnosed properly with manufacturer tools, then quoted in writing. We find the cause, not the symptom. [Book a diagnostic visit](/contact) [01202 144008](tel:+441202144008) Rapid response across Dorset & Hampshire · F-Gas registered (Company No. 15463021) · Fixed written quotes · Bournemouth · Poole · Christchurch · Wimborne · Ferndown · Ringwood · Dorset · Hampshire · Salisbury - 17 years' air conditioning experience - F-Gas registered engineers - Rapid response across Dorset & Hampshire - Fixed written quotes - Manufacturer-backed warranties Service overview ## What air conditioning diagnostics actually involves. Plain-English breakdown, so you know exactly what you're paying for, and why it matters before we set foot on site. ### What it is Diagnostics is a structured fault-finding visit using manufacturer service tools, electronic refrigerant leak detectors, calibrated digital gauges, infrared thermal cameras and electrical test equipment to pinpoint the root cause of a fault — not just the surface symptom. ### Who it's for Owners of systems that have been 'repaired' more than once for the same fault, anyone with an intermittent or hard-to-reproduce issue, commercial clients with a system throwing different error codes each week, and property buyers who want a pre-purchase report on a system that 'works but feels off'. ### When you need it When a system has been fixed once and broken again, when a fault keeps moving around the system, when energy bills have risen without an obvious reason, before buying a property with existing air conditioning, or before signing a commercial lease with installed systems. ### Why it matters Most repeat air conditioning faults aren't being repaired — they're being patched. The capacitor keeps failing because the fan motor bearing is dragging; the system keeps icing because charge is low; the breaker keeps tripping because a winding is breaking down. Diagnostics finds the upstream cause once. The cost of doing nothing ## What goes wrong when this is ignored. A symptom that keeps coming back is the system telling you nobody has actually diagnosed it. Each 'repair' is renting time, not buying it. ### Risks of waiting - Recurring capacitor failure usually means the fan motor is dragging — the next failure is the motor itself, often taking the new capacitor and the control board with it. - Repeated low-refrigerant top-ups are masking an actual leak; the leak grows, and you eventually replace the compressor instead of repairing the leak. - Intermittent tripping is a wiring or insulation breakdown — at best it'll annoy you, at worst it'll start a fire. - Mystery noises that 'come and go' are usually fan bearings or a loose component; left long enough they damage the unit they're vibrating against. - A system that's 'working but using more electricity' is hiding a fault. The longer it's hidden, the worse the eventual failure. ### Common mistakes - Letting a different engineer 'have a go' each time — they each start from zero, replace the obvious thing, and leave the real cause untouched. - Accepting 'must be a glitch' as a diagnosis. Air conditioning systems don't have glitches; they have faults. - Topping up refrigerant without finding the leak — wasteful, illegal above defined thresholds, and guaranteed to recur. - Ignoring fault codes because the system 'still works' — those codes are the system warning you about something measurable and worsening. - Buying a property without a pre-purchase diagnostic on the installed system — replacement is 5–10× the cost of the diagnostic. Our process ## How the job actually runs. Same system every time. No improvising on your floor. 1. 01 ### History review We start with what you know: when it started, what's been done, what error codes appeared, whether it's seasonal or constant. Half the diagnosis is in the history. 2. 02 ### Manufacturer-tool interrogation Connect the manufacturer service tool (Daikin D-Checker, Mitsubishi Maintenance Tool, etc.) to log live pressures, currents and temperatures across an actual run cycle. 3. 03 ### Electrical & refrigerant testing Megger insulation test on compressor windings, capacitor microfarad verification, electronic leak detector across the high side, superheat/subcooling calculation, thermal imaging on the indoor and outdoor coils. 4. 04 ### Root-cause report Written report identifying the primary fault, any secondary issues, the recommended fix, the consequences of not fixing it, and a fixed-price repair quote. Photos and live data included. 5. 05 ### Repair (optional) Repair quoted separately so you can take the report and the quote, or proceed there and then. No pressure either way — the diagnostic stands on its own. What you get ## The outcomes that matter. ### Root cause, not symptom We diagnose what's actually wrong, not what's easiest to replace. Saves repeat callouts and repeat parts bills. ### Live system data Manufacturer service tools log pressures and currents under real running conditions — proof of fault, not guesswork. ### Written report you can keep Suitable for landlord records, pre-purchase due diligence, insurance claims and warranty disputes. ### Fixed diagnostic fee One price for the visit, the testing and the report — regardless of how long the diagnosis takes. ### Independent assessment Diagnostic stands on its own; the repair quote is separate and optional. No incentive to inflate the fix. ### Saves money on real fixes Diagnosing once and fixing once is almost always cheaper than three rounds of 'try this and see'. In depth ## Everything worth knowing before you book. The details a salesperson skips. Skim it, or read every word — both are useful. Questions on this? Talk to a specialist engineer direct. [01202 144008](tel:+441202144008) ### What manufacturer service tools actually tell us A Daikin D-Checker or Mitsubishi MELANS service tool plugs into the outdoor unit's communication port and streams live data — compressor frequency, expansion valve opening, refrigerant pressures, fan rpm, current draw on each phase, indoor/outdoor temperatures at every sensor. We log that data across a 20–40 minute run cycle, then compare against the manufacturer's known-good envelope. A failing expansion valve, a drifting sensor, a slipping inverter — they all show up on the trace before they show up on the remote. This is the difference between a diagnostic and a guess. ### Electronic refrigerant leak detection Above 2.5 tonnes CO₂-equivalent refrigerant charge, F-Gas regulations require annual leak detection by certified methods. We carry electronic refrigerant leak detectors (heated diode type, sensitive to <3g/year leak rates), fluorescent UV dye for borderline-suspect joints, and ultrasonic detectors for pressurised leak location on inaccessible pipework. Most leaks are at flare joints, brazed joints behind the indoor head, or at the outdoor unit Schrader valves — all repairable without replacing pipework if found early. ### Thermal imaging — what an infrared camera reveals An infrared thermal camera shows us coil surface temperatures across the evaporator and condenser, hot-spots on contactors and capacitors, uneven refrigerant distribution across the coil and unbalanced load across three-phase commercial systems. A blocked TXV or partially clogged coil shows as a cold patch surrounded by hot fins; a failing capacitor runs measurably hotter than its twin. This is non-contact, non-destructive, and often the fastest route to a hidden fault. ### Electrical diagnostics — what we measure and why Three things we measure on every diagnostic: capacitor microfarad value vs nameplate (a 30µF cap reading 24µF is failed even if it still spins the fan), insulation resistance on compressor windings (a megger test catches winding breakdown before the contactor trips), and current draw under load against the nameplate FLA. These three checks alone catch around 60% of intermittent electrical faults and almost all of the ones a non-specialist would call 'a glitch'. ### Pre-purchase diagnostics — what buyers need to know If you're buying a Dorset property with installed air conditioning, the system is rarely covered in a standard homebuyer's survey. A pre-purchase diagnostic from us tells you: age and remaining design life of each unit, refrigerant type (and whether it's a phased-out R22 system needing replacement), current refrigerant charge against nominal, condition of compressor, fan motors and controls, whether the warranty is live and transferable, and a written replacement cost estimate. Useful for price negotiation and useful for budgeting. ### When diagnostics is the right starting point Diagnostics is the right call when: a system has been repaired twice for the same fault; energy bills have risen without an obvious cause; a fault is intermittent and you can't reproduce it on demand; a fault appears only at certain temperatures or times of day; you're buying a property with installed air conditioning; you're inheriting a commercial site and want a baseline; you've had a brand-new install that 'doesn't feel right'. In every other case, a normal repair callout is the right starting point and almost always cheaper. Frequently asked ## Honest answers, practical solutions. Can't see your question? Call [01202 144008](tel:+441202144008). How much does a diagnostic visit cost? Fixed £165 inc VAT for a single-unit domestic diagnostic with written report. Multi-unit homes and commercial sites are quoted on the specifics — typically £165 for the first unit and £75 per additional unit on the same visit. How long does the diagnostic take? Is the diagnostic fee credited against the repair? Can you diagnose a system you didn't install? What if you can't find the fault? Will diagnostics void my warranty? Can you provide a report for my landlord or insurance? Do you offer pre-purchase diagnostics? Do you cover my area? Are you F-Gas registered? Will I get a written quote? Ready when you are ## Book your air conditioning diagnostics job today. Written fixed quote. F-Gas registered engineer. No upsell, no pressure. [Book a diagnostic visit](/contact) [01202 144008](tel:+441202144008) F-Gas registered Rapid response Dorset & Hampshire Related services ## Other things we look after. [← Back to homepage](/) [ ### Air Conditioning Servicing & Maintenance Learn more ](/services/servicing-and-maintenance)[ ### Air Conditioning Repair Learn more ](/services/air-conditioning-repair)[ ### Commercial Air Conditioning Learn more ](/services/commercial-air-conditioning)[ ### Air Conditioning Gas Recharge (Re-gassing) Learn more ](/services/gas-recharge) ![Adapt Mechanical Services](/__l5e/assets-v1/9f4b50c1-0efb-49ea-a654-b1d6329b6101/adapt-logo.png) Specialist air conditioning installation, servicing and repair across Dorset & Hampshire. Based in Bournemouth, covering Poole, Christchurch, Wimborne, Ferndown, Ringwood and Salisbury. Rapid response across Dorset & Hampshire. [](https://www.facebook.com/61564676105386)[](https://www.instagram.com/adapt_mechanical/) ### Services - [Air Conditioning Installation](/services/air-conditioning-installation) - [Air Conditioning Servicing & Maintenance](/services/servicing-and-maintenance) - [Air Conditioning Repair](/services/air-conditioning-repair) - [Air Conditioning Diagnostics](/services/diagnostics) - [Split System Installation](/services/split-system-installation) - [Multi-Split System Installation](/services/multi-split-installation) - [Commercial Air Conditioning](/services/commercial-air-conditioning) - [Air Conditioning Gas Recharge (Re-gassing)](/services/gas-recharge) - [Ventilation & Air Quality Systems](/services/ventilation-and-air-quality) ### Areas - [Bournemouth](/service-areas/bournemouth) - [Poole](/service-areas/poole) - [Christchurch](/service-areas/christchurch) - [Wimborne](/service-areas/wimborne) - [Ferndown](/service-areas/ferndown) - [Ringwood](/service-areas/ringwood) - [Dorchester](/service-areas/dorchester) - [Weymouth](/service-areas/weymouth) - [Lymington](/service-areas/lymington) - [Salisbury](/service-areas/salisbury) - [About](/about) - [Reviews](/reviews) ### Contact - [01202 144008 ](tel:+441202144008) - [Info@adaptmechanical.co.uk ](mailto:Info@adaptmechanical.co.uk) - Lower Flat, 7 Windermere Road Bournemouth BH3 7LF - Mon–Fri 7am–7pm Sat–Sun 9am–7pm © 2026 Adapt Mechanical Services Ltd. All rights reserved. [Privacy Policy](/privacy-policy)[Cookie Policy](/cookie-policy)[Terms & Conditions](/terms-conditions)· Company No. 15463021 · F-Gas Registered [Call now](tel:+441202144008)[Request Estimate](/contact) We use essential cookies to run this site and optional ones to understand how it's used. [Cookie Policy](/cookie-policy) AcceptReject