HI
Gree
High Ambient Temperature or High Humidity Indication
Display shows HI and humidity cannot be adjusted; unit may run continuously.
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Possible Causes
Room temperature above rated range, Humidity sensor saturated or misreading, Blocked air inlet causing localized high humidity, Control board misinterpretation of sensor data
How to Fix / Troubleshooting
Safety: Ensure adequate ventilation around the unit.
Steps:
- Room conditions: Confirm the room temperature is within the specified range. Extremely hot rooms can trigger HI.
- Airflow: Make sure the air inlet and outlet are not blocked. Clean the air filter.
- Sensor cleaning: Clean the humidity sensor area with dry air to remove dust and moisture.
- Sensor replacement: If HI displays constantly regardless of actual humidity, replace the humidity sensor module.
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Repair Difficulty
Easy
2/5
Required Part
Humidity Sensor Module
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