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Refrigeration & Air-ConditioningWO-01
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Refrigeration & Air-Conditioning · Workshop 02 · Split-unit service and diagnostics

Find out why this air conditioner is not cooling

The air conditioner comes on and blows air, but the room stays hot. Find the real cause before replacing anything.

Your job

  1. 1

    Ask what happened and inspect the indoor and outdoor units.

  2. 2

    Measure the air temperature and the unit's operating readings.

  3. 3

    Choose the fault, carry out the correct repair and test it again.

Choose your help level