MCC-SVU01A 13
Symptom Explanation & Check points
The room cannot be cooled
sufficiently.
- Is the temperature setting appropriate?
- Are the airflow rate and the air direction set appropriate?
- Are the air filters clean?
- Is the fan or heat exchanger of the indoor unit clean?
- Is anything blocking the air inlet or the outlet of the indoor and the
outdoor units?
- Are the windows and doors closed?
- When a ventilation fan or gas cooker is used in a room, the cooling load
increases, resulting in an insufficient cooling effect.
- When the outside temperature is high, the cooling effect may not be
sufficient.
Hissing sound is sometimes
heard.
- This is the sound when the flow of refrigerant inside the unit is switched.
- Condenser’s casing looses.
The remote control signal is not
received
- An electric lamp is near the fan coil’s signal receiver.
- Battery power of the remote controller is not enough.
When you think that trouble has
occurred
In the following cases, stop using the air conditioner and consult your dealer.
When water leaks or drips from the indoor unit.
When the POWER lamp blinks.
Operation of the air conditioner interferes with radio or TV reception. An amplifi er may be required for the
affected device.
When an abnormal sound is heard.
MCC-SVU01A_En.indd 13MCC-SVU01A_En.indd 13 4/18/13 5:31:32 PM4/18/13 5:31:32 PM
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