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it is normal that the external A/C gets iced in winter, but it does not affect the normal operation of the fan. The ice on the heat exchanger can not block the fan, because they are not touched at all. The ice just makes the heat pump work less efficiently. When outside is less than -10C, the heat pump will stop working, include the fan. This should be automatic, you can not do anything. I do not know in your house, the heating system is the combination of heat pump+baseboard or heat pump+furnace? |
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