Air conditioner repair service? I’m not going to make this more complicated, nor will I simplify the subject. I will spell it out precisely as I think it is. Many of you will value my honesty, and some of you will think I don’t have a clue and will take their business elsewhere. I will give you the bad news first and the good news later in the post. At the bottom of the page, I will put my phone number and some photos of the air conditioner work I’ve done.

I know I should not work on the air conditioner without a fan guard fitted, but here I go, testing the inverter board. Volume down before watching this video. Best result when watching full screen.

Is it complicated to fault find on air conditioner?

It can be an absolute nightmare, but usually, it’s not. Let’s look at the facts: air conditioner unit is a relatively complicated piece of equipment with its electronics, power circuits, control algorithms and settings and refrigerant circuit.

Air conditioning split system has two or more primary components. It takes specialist tooling and background knowledge to troubleshoot air conditioning faults successfully. On top of the above, there are many air conditioner brands: ElectriQ, Daikin, Mitsubishi Heavy Industries, Mitsubishi Electric, Fujitsu, Samsung, Hitachi, Carrier, LG, Toshiba, Airdale and many more. All these brands are different. Each one of them has its component architecture and fault codes. There are two pipe systems and eight pipe systems, multi-splits and VRF systems.

Engineers can do air conditioner maintenance any day and time. When it comes to the actual air conditioner breakdown service, the technology is so sophisticated the attending engineer often needs to consult with manufacturers technical support to pinpoint the equipment’s fault and make an accurate repair plan. That’s why air conditioner installer companies install only those air conditioner brands that offer a good level of technical support and spare parts if the thing goes wrong, and many will go wrong. Due to the high probability of the engineer needing to talk to the help desk, it is best to arrange the first fix of the air conditioner system for business hours, because the helpdesk usually works from 9-17.

Air conditioner repair service good news

In the past, I worked full time as a remote refrigeration and air conditioning engineer for one of the national service providers. I fixed loads of air conditioners, spent hours talking to the helpdesk, ordered loads of spare parts, and I did maintenance to hundreds of air conditioner units. Because of this experience, I have gained a good skillset and sourced tools for air conditioner fault diagnostics and repair work. The good news is that my suppliers of refrigeration equipment spare parts and materials also supply air conditioner spare parts and complete air conditioner systems.

What is an air conditioner maintenance service

Air conditioner in its operation makes use of airflow through its cooling/heating element, which may be called an evaporator or condenser or indoor/outdoor heat exchanger. The air that goes through this device carries dust. Lots of air means lots of dust over time. This is why air conditioner manufacturers have fitted air filters on indoor units and sometimes on outdoor units. These filters capture dust to protect and prevent heat exchanger coils from getting contaminated with dust. Filters prevent dust from settling and solidifying in between the heat exchanger fins, reducing the air conditioning system’s capacity and making it more complicated to restore the good working order of the air conditioner compared to cleaning filters.

In time these filters get clogged with dust particles. Air conditioner maintenance is a procedure of cleaning these filters, condensers and units in general. During the job, the maintenance engineer makes observations on the condition of the unit and takes notes of any follow-up services are required for the system’s optimal performance and to prevent unexpected downtime of the system.

air conditioner fascia
On the photo: two air conditioner fascias before and after the maintenance. Not every site has the option to wash the fascia because it takes longer and a big sink to do it. Typically the fascia is only wiped clean of dust. And of course, if you put this clean fascia back on the air conditioner, you can tell the difference in colour in the fascia and the frame. If you want to go that level of clean, it is best to clean the frame also, which is not a standard maintenance procedure.

Should you need air conditioner maintenance or repair service in Milton Keynes +20 mile radius, feel free to call me on 078 63 63 1791.

Best regards

Artur

Your local refrigeration and air conditioning expert

Air conditioner service photos

Fujitsu training classroom in Elstree, Hertfordshire.

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