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Error code reference
Hisense Air Conditioner Error Codes
7 error codes documented with diagnostic procedures.
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E1Indoor ambient temperature sensor failure; the air conditioner shuts down for protection.E2Indoor tube temperature sensor failure; the air conditioner shuts down for protection.E3Outside tube temperature sensor failure (heat pump type); the air conditioner shuts down…E5High water level switch is closed; the air conditioner shuts down for protection.E6Upper electric motor has no feedback; the air conditioner shuts down for protection.E7Lower electric motor has no feedback; the air conditioner shuts down for protection.EACommunication system failure.
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