Fault Diagnosis On Site
Gauges and amp-clamp readings on a unit that's stopped cooling.
A unit that's blowing warm, dripping water or tripping the breaker gets a proper diagnosis, not a guess - fixed price agreed before any work starts, most faults sorted in one visit.
Square Meter Air Conditioning provides on-site fault diagnosis and repair for split, multi-split, ducted and cassette AC systems across Valencia. A certified engineer tests the unit's pressures, electrics and drainage, then gives a fixed price before starting - most faults, including low refrigerant, blocked drains and worn capacitors, are fixed the same visit.
When a unit stops cooling, leaks or trips a breaker, we start by finding out exactly why - not by swapping parts until something sticks. The same checks apply whether it's a single split unit in a Ruzafa flat or a bank of units above a Paterna shop.
Most calls fall into a handful of everyday scenarios across Valencia homes and businesses.
Gauges and amp-clamp readings on a unit that's stopped cooling.
Wall-mounted split units like this one make up most repair calls.
Repairs booked around your schedule, not the other way round.
Catching these early usually keeps the fix quick and cheap - ignoring them tends to turn a capacitor into a compressor.
Six steps from first call to a working, warrantied unit.
Tell us the symptoms, any error code and the unit's brand.
We schedule a diagnostic slot, usually within a day.
Pressures, electrics, drainage and airflow are checked.
One price before any work starts, never billed hourly.
Most faults are fixed in the same visit, parts allowing.
Performance is tested and a 2-year warranty issued.
Two units with the same symptom can have completely different faults - a blocked drain and a failed compressor both show up as "not cooling", but one is a twenty-minute fix and the other might mean discussing replacement instead. The diagnostic callout starts from €75 and is waived if you go ahead with the repair, so there's no cost to finding out what's actually wrong.
| Factor | Why it matters |
|---|---|
| Nature of the fault | A blocked drain or worn capacitor is a quick fix; a compressor or PCB failure takes longer and costs more in parts. |
| Refrigerant type & quantity | R32 and R410A systems need topping up to the manufacturer's exact charge after any leak repair. |
| Part availability | Genuine Daikin, Mitsubishi Electric, LG, Fujitsu, Gree, Panasonic or Haier parts are sourced to match your unit. |
| Access to the unit | A wall-mounted indoor unit is quicker to reach than a high-level cassette or ducted unit needing a platform. |
| Age & condition of the system | Older units nearing end of life sometimes make replacement more sensible than a costly repair. |
Fixing a unit properly means understanding the whole system, not just swapping the obvious part. Our engineers are certified and insured, work across all the major brands installed in Valencia, and back every repair with the same paperwork you'd expect on a brand-new installation.
We carry out AC repairs across Valencia city and the surrounding towns, from first-floor flats to multi-unit commercial sites.
The questions we hear most often from customers booking a repair visit.
The diagnostic callout starts from €75 and is waived if the repair goes ahead. The repair itself is priced after the engineer identifies the fault on site - a blocked drain or worn capacitor costs far less than a compressor or control board replacement - and the exact figure is always confirmed in a written quote before any work begins.
Most common faults, such as a blocked condensate drain, a failed capacitor or a low refrigerant charge, are diagnosed and fixed within a single visit of one to two hours. Repairs that need an ordered part, such as a specific PCB, may need a short follow-up visit once the part arrives.
The most frequent causes are low refrigerant from a slow leak, a blocked condensate drain causing water leaks or auto shut-off, a failed run capacitor preventing the compressor or fan from starting, a faulty control board (PCB), dirty filters restricting airflow, and, less often, a worn or failed compressor.
Yes. Every repair carried out by Square Meter Air Conditioning is covered by a 2-year written workmanship warranty, in addition to any remaining manufacturer warranty on the unit or on replaced parts.
Yes. Our engineers regularly service and repair Daikin, Mitsubishi Electric, LG, Fujitsu, Gree, Panasonic and Haier systems, along with most other major brands installed in Valencia homes and businesses.
Standard repair requests are typically scheduled within one business day of getting in touch. If the situation is urgent - no cooling at all, water damage, or an electrical fault - our emergency repair line offers a 24-hour response, seven days a week.
No - if the breaker trips every time you switch the AC on, turn it off at the isolator and stop resetting the breaker, since this is usually an electrical fault that can get worse or become a fire risk if left running. Book a diagnostic visit so an engineer can find the cause before you try the unit again.
If your problem is more specific, these pages go into more detail.
Book a diagnostic visit and get a fixed repair price before any work begins - no hourly billing, no surprises.