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Midea air conditioner error codes. Indoor unit error code explanation: R series: ... E1, Indoor / outdoor units communication protection. E2, Zero-crossing signal error ... E4, Outdoor unit temp. sensor or connector of temp. sensor is defective.
The E1 code is an error code that appears on the LED temperature display of some digital air conditioners. The error code could mean anything from dirty air filters to a damaged room thermistor, a safety connected to your thermostat that detects room temperature. Troubleshooting the cause of this error code may improve your air conditioner's performance
The E codes E1-E7 are displayed in the copy counter.To display both digits of the E code press the ENTER key.When the machine detect E13 condition E1 is displayed in the copy counter.Hold down the enter key and 13 is displayed. E 11 - Exposure lamp error.In this case check the exposure lamp continuity,the thermofuse is open or power suplly board defective. E 12 -Exposure lamp error .AC drive defective,main board defective E 13 - Zero cross signal error.Main control or DC power board defective. To clear the service code turn OFF/ON the machine.