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Curtis HuffmanAug 6, 2025
Why does my Kaisai ECO KEX switch from COOL/HEAT to FAN mode?
- DdaisymyersAug 6, 2025
Your Kaisai Air Conditioner might switch to FAN mode for two reasons: either to prevent frost from forming, in which case it will return to the previous mode once the temperature increases; or because the set temperature has been reached, causing the compressor to turn off. It will resume operation when the temperature fluctuates again.









