TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
| 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? | 9 to 10 |
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| Poor Cooling (or *Heating) | ● Is the air filter dirty? |
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| performance: | ● Is 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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| The unit operates differ- | ● Are the remote control unit’s batteries dead? |
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| ently from the remote con- | ● Are the remote control unit’s batteries loaded properly? | 6 |
| trol unit’s setting: |
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If the problem persists after performing these checks, or if you notice burning smells, or the TIMER indicator light flashes, stop operation immediately, disconnect the power supply, and consult with authorized service personnel.
