Mitsubishi Electric MSY-GS07VF, Operating Instructions Manual

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● OPERATING INSTRUCTIONS ●
Symptom Explanation & Check points
Airfl ow
The air from the indoor unit smells
strange.
• Are the fi lters clean? Page 14
• Is the fan or heat exchanger of the indoor unit clean?
• The unit may suck in an odor adhering to the wall, carpet, furniture,
cloth, etc. and blow it out with the air.
Sound
Cracking sound is heard. • This sound is generated by the expansion/contraction of the front panel,
etc. due to change in temperature.
“Burbling” sound is heard. • This sound is heard when the outside air is absorbed from the drain
hose by turning on the range hood or the ventilation fan, making water
fl owing in the drain hose to spout out.
This sound is also heard when the outside air blows into the drain hose
in case the outside wind is strong.
Mechanical sound is heard from the
indoor unit.
• This is the switching sound in turning on/off the fan or the compressor.
The sound of water fl owing is heard. • This is the sound of refrigerant or condensed water fl owing in the unit.
Hissing sound is sometimes heard. • This is the sound when the fl ow of refrigerant inside the unit is switched.
In the following cases, stop using the air conditioner and consult your dealer.
• When water leaks or drips from the indoor unit.
• When the upper operation indicator lamp blinks. Page 20
Except for when the lamp of a multi unit blinks while the unit is on standby.
• When the breaker trips frequently.
• The remote control signal is not received in a room where an electronic ON/OFF type fl uorescent lamp (inverter-type
fl uorescent lamp, etc.) is used.
• 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.
• When any refrigerant leakage is found.
W
HEN YOU THINK THAT TROUBLE HAS OCCURRED
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