TROUBLESHOOTING
| Symptom | Problem |
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NORMAL | Mist or steam are | • During Cooling or Dry operation, a thin mist may be seen emit- |
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FUNCTION | emitted: | ted from the indoor unit. This results from the sudden Cooling of | — | |
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| room air by the air emitted from the air conditioner, resulting in | ||
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| condensation and misting. |
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| *• During Heating operation, the outdoor unit’s fan may stop, and |
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| steam may be seen rising from the unit. This is due to the Auto- | 12 | |
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| matic Defrosting operation. |
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| Airflow is weak or stops: | *• When Heating operation is started, the fan stops temporarily to |
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| allow internal parts to warm up. |
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| *• During Heating operation, if the room temperature rises above | — | |
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| the thermostat setting, the indoor and outdoor unit will stop. If | ||
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| you wish to warm the room further, set the thermostat to a higher |
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| setting. |
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| *• During Heating operation, the unit will temporarily stop operation |
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| (between 4 and 15 minutes) as the Automatic Defrosting mode | 12 | |
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| operates. During the Automatic Defrosting operation, | will | |
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| be shown on the remote controller display. |
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| • The fan may operate at low speed when the unit is monitoring | — | |
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| the room’s temperature. |
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| Water is produced from | *• During Heating operation, water may be produced from the out- | 12 | |
| the outdoor unit: | door unit due to the Automatic Defrosting operation. |
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| thermo sensor | • The room temperature sensor may be malfunctioning. Please |
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| consult authorized service personnel. |
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| display on the remote |
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| controller is flashing: |
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CHECK ONCE | Doesn’t operate at all: | • Has the circuit breaker been turned off? |
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| • Has there been a power failure? |
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| • Has a fuse blown out, or a circuit breaker been tripped? |
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| • Is the timer operating? |
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| Poor Cooling (or *Heating) | • Is the air filter dirty? |
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| performance: | • Are the air conditioner’s intake grille or outlet port blocked? |
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| • Did you adjust the room temperature settings (thermostat) cor- |
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| rectly? |
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| • Is there a window or door open? |
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•In the case of Cooling operation, is a window allowing bright sunlight to enter? (Close the curtains.)
•In the case of Cooling operation, are there heating apparatus and computers inside the room, or are there too many people in the room?
If the problem persists after performing these checks, or if you notice burning smells, stop operation immediately, disconnect the power supply, and consult with authorized service personnel.
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