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11
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Troubleshooting
Installer and user reference guide
35
FXSN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P602817-1A – 2020.05
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The air conditioner does not restart immediately when the temperature setting
button is returned to its former position after pushing. It does not restart
immediately because one of its safety devices actuates to prevent the air
conditioner from being overloaded. The air conditioner will turn on again
automatically after 3 minutes.
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The outdoor unit has stopped air conditioning (refrigeration continues). This is
because the room temperature has reached the set temperature. The unit
switches to fan operation. The actual operation is different from the user
interface setting.
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The fan speed is different from the setting. Pressing the fan speed control button
does not change the fan speed. When the room temperature reaches the set
temperature in heating mode or the unit’s maximum capacity is reached, the
outdoor unit will stop air conditioning (refrigeration continues) and the indoor
unit will operate in fan only mode (low fan speed). This is to prevent cool air from
being blown directly onto anyone present in the room.
11.1.2 Symptom: Dust comes out of the unit
When the unit is used for the first time in a long time. This is because dust has
gotten into the unit.
11.1.3 Symptom: The units can give off odours
The unit can absorb the smell of rooms, furniture, cigarettes, etc., and then emit it
again.