Warmspark was called to an Apartment block in London Greenwich to assess and address reported faults across multiple air conditioning units.
The Challenge
The site team had identified recurring issues with the Mitsubishi Electric control interface, leading to concerns about unit reliability and guest comfort. Our objective was to diagnose the problem and recommend the most effective course of action.
Our Solution
Upon arrival, our engineer conducted a structured investigation to identify the root cause of the issues:
✔ Carried out a full diagnostic of the Mitsubishi Electric controller system to assess the status of each unit.
✔ Gained access to the rooftop condenser units for closer inspection.
✔ Identified a faulty condenser fan motor due to casing damage.
✔ Performed a temporary reset on the affected units to maintain basic operation.
✔ Noted abnormal fan noise across all rooftop condensers, indicating a wider potential issue requiring further technical review.
The Outcome
While the temporary reset was successful in the short term, the root issue was not fully resolved on the day. A detailed quotation will be prepared for replacing the defective fan motor, and we recommend a complete audit of the rooftop condensers to address any systemic concerns and reduce long-term risks.
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