TROUBLESHOOTING
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NORMAL | Water is produced from | ● During Heating operation, water may be produced from the out- | 9 | |
FUNCTION | 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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| display on the remote | consult authorized service personnel. | — | |
| controller is flashing: |
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| Symptom | Items to check | See Page |
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CHECK ONCE | Doesn’t operate at all: | ● 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? | 5 to 7 |
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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 sun- | |
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| light to enter? (Close the curtains.) |
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| ● In the case of Cooling operation, are there heating apparatus and |
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| computers inside the room, or are there too many people in the |
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| room? |
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If the problem persists after performing these checks, or if you notice burning smells, stop operation immediately, turn off the electrical breaker, and consult with authorized service personnel.