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Glenn Miller MDAug 31, 2025
Why is there no airflow when starting the heating operation on my Mitsubishi Heavy Industries SRK25ZJX-S Air Conditioner?
- DdsmithAug 31, 2025
If there's no airflow when you start the heating operation on your Mitsubishi Heavy Industries Air Conditioner (and the RUN light blinks slowly), it's because the airflow has stopped to prevent cold air from blowing out until the indoor heat exchanger warms up. This may take 2 to 5 minutes due to the HOT KEEP program.