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F335 cold dryer E2 what is the fault

There are several common causes of anti-freezing protection: dirty and clogged filters, dirty evaporator surfaces, low airflow, lack of fluorine in the system, and squashed connecting tubes. The solution is usually to repair the temperature sensor, add fluorine to the air conditioner, or clean the air conditioning filter. Anti-freezing protection is when the evaporator temperature is too low when the air conditioning in order to self-protection Er into the protection state.