Expert Service for Mitsubishi Heavy Industries (MHI) Aircon in Singapore

When you choose a Mitsubishi Heavy Industries air conditioner, you’re not just buying an appliance; you’re investing in a piece of industrial-grade engineering. With a formidable 140-year legacy in heavy machinery, aerospace, and shipbuilding, MHI instills a core philosophy of robustness and powerful performance into every aircon system they build. In Singapore, MHI has earned its reputation as the definitive “workhorse” brand, designed to deliver rapid, reliable cooling against our relentless tropical heat.

You invested in an MHI system for its promise of endurance and powerful performance. However, even the toughest industrial machines have sophisticated electronic controls that require specialist care. While the mechanical heart of your MHI—the compressor and motors—is built to last, the electronic “brain” (the PCB) can be vulnerable to Singapore’s high humidity and power fluctuations.

At Vedha Aircon, we are MHI specialists. We understand the critical balance between MHI’s mechanical strength and its electronic precision. Our job is to provide the expert maintenance and repair needed to ensure your long-term investment delivers maximum performance and longevity for years to come.

The Specialist’s Knowledge: MHI vs. Mitsubishi Electric

A common point of confusion for consumers is the difference between Mitsubishi Heavy Industries (MHI) and Mitsubishi Electric (ME). Though they share a logo, they have been separate, competing companies since 1921, each with a distinct engineering philosophy. Understanding this difference is key to appreciating your MHI system’s strengths.

• Mitsubishi Heavy Industries (MHI): Prioritizes heavy-duty performance, industrial-grade durability, and sheer cooling power. Its core mission is to cool a space as quickly and effectively as possible, making it the ideal choice for larger living areas and demanding commercial applications where robust performance is non-negotiable.
• Mitsubishi Electric (ME): Focuses on whisper-quiet operation, advanced smart features, and sleek, minimalist aesthetics. It excels in environments where absolute quietness and design integration are the top priorities, such as bedrooms and modern condos.

You chose MHI for its power and industrial heritage. Our role is to provide the specialized service that keeps this powerful workhorse operating at its peak.

Why Choose Vedha for Your MHI Workhorse?

Servicing an MHI aircon requires an understanding of its industrial DNA. Our technicians are not generalists; they are trained specialists who appreciate the robust engineering of your system.

• Expert Electronic Diagnostics: We specialize in troubleshooting the electronic systems of MHI units. We know that while the mechanics are tough, a faulty PCB is the most commonly reported failure. We can accurately diagnose whether a blinking light points to a simple sensor fault or a more complex issue with the main control board.
• Ready Stock of Genuine MHI Parts: Downtime is not an option. We maintain a ready stock of genuine MHI spare parts for common failure points, including PCBs, fan motors, and thermistors, to ensure a swift and effective repair, often in a single visit.
• Focus on Installation Integrity: Many chronic issues like water leaks stem from poor initial installation. During every service call, we assess the integrity of your system’s setup, correcting underlying flaws like poor drainage gradients to provide a holistic solution that prevents future breakdowns.
• 24/7 Emergency Service: We understand that when a powerful MHI unit goes down, you need it back online fast. Our team is available 24/7 for emergency repairs across Singapore.

Our Comprehensive MHI Servicing & Repair Solutions

We offer a full suite of services designed to match the robust nature of your MHI air conditioner.

MHI Aircon Repair

From decoding blinking lights to solving complex electronic faults, we have the expertise to get your MHI system back to peak condition.

• Error Code Diagnosis: Our technicians are trained to accurately interpret the ‘RUN’ and ‘TIMER’ light sequences on your MHI unit, allowing for a fast diagnosis of issues like sensor errors, fan motor faults, or communication problems.
• PCB Repair & Replacement: As experts in MHI’s electronic architecture, we can accurately diagnose PCB failures and provide both repair and replacement services using genuine parts to restore your system’s “brain”.
• Refrigerant Leak Repair: A hissing sound or poor cooling often indicates a gas leak. We use advanced tools to locate the leak, perform a durable repair, and recharge the system with the correct R32 or R410A gas to manufacturer specifications.

MHI Chemical Overhaul (The Recommended Choice)

Over time, stubborn mould and bacteria accumulate deep within the fan coil, which a general service cannot remove. For MHI units, we strongly recommend a

chemical overhaul over a standard chemical wash.

• Why an Overhaul? In MHI units, sensitive electronic components like the main PCB are often located close to the cooling coil. A standard chemical wash carries a risk of chemical spray damaging these electronics. An overhaul involves completely dismantling the unit to clean each part individually, eliminating this risk entirely and ensuring a safer, more thorough cleaning.

MHI Aircon Installation

We provide professional, BCA-certified installation for all MHI residential and commercial systems, including the popular SRK-YXS and SRK-ZS series. We ensure your powerful workhorse is installed with the precision it deserves.

We Service All MHI Systems: Residential & Commercial

Our expertise covers the entire MHI product line, from HDB flats to large industrial complexes.

• For the Homeowner: MHI’s residential series is beloved for its rapid cooling and clean air technology. We are experts in servicing the features you value most:
  • Jet Flow Technology: We ensure nothing obstructs the powerful, long-reach airflow derived from jet engine aerodynamics, which is designed to cool your room in minutes.
  • Clean Air Technology: Our servicing includes cleaning the Allergen Clear and Deodorising Filters and ensuring the Self-Clean Operation is functioning correctly to prevent mould and keep your family breathing healthy air.
• For the Business Owner: MHI’s industrial DNA makes it a top choice for commercial use, where reliability is critical. We service:
  • Packaged Air-Conditioners (PAC): High-performance systems for offices, retail stores, and restaurants.
  • Super-Multi VRF (KX) Systems: The ultimate solution for large buildings, connecting up to 80 indoor units with piping up to 1000 metres long. We provide the expert maintenance needed for these complex systems, especially in mission-critical environments like server rooms.

Understanding Your MHI Aircon’s Blinking Lights

Your MHI unit communicates faults through a sequence of blinking ‘RUN’ and ‘TIMER’ lights. This guide can help you understand the message.