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Symptom: Excessive Noise
Inspection:
1. Check if the unit is securely positioned.
2. Check if any loose, vibrating parts.
3. Noise sounds like water flowing.
Solution:
1. Place the unit on horizontal and firm ground.
2. Secure and tight the parts.
3. Noise comes from flowing refrigerant. This is normal.
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Symptom: Error Codes (E0)
Inspection:
1. Communication faults between main PCB and display PCB.
Solution:
1. Check the wire harness of the display PCB for damage.
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Symptom: Error Codes (E1)
Inspection:
1. Ambient temperature sensor failure
Solution:
1. Check connection or replace it. To clean or replace the temperature
sensor.
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Symptom: Error Codes (E2)
Inspection:
1. Coil temperature sensor failures.
Solution:
1. Check connection or replace it. To clean or replace the temperature
sensor.
Portable Airconditioner - English manual
24
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