17. TROUBLESHOOTING
TROUBLE INDICATORS
If a problem occurs with the air conditioner, the control panel will display the following codes:
Trouble/ | Reason | Maintenance | |
Display | |||
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| ||
E1 | Problem with the room temperature sensor. | Check the room temperature sensor. | |
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| |
E2 | Problem with the pipe temperature sensor. | Check the pipe temperature sensor. | |
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E4 | An abnormality in the unit’s system is | Check refrigerant. If the air filters | |
affecting the cooling capacity. | |||
| are dirty, remove dust and wash | ||
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| them with water. | |
E5 | Problem with the pump. | Check the pump’s water level switch | |
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| or check if the pump works properly. |
CAUTION:
Have repairs performed by a certified HVAC technician.
Owner’s manual _18
