(5) How to examine whether remote controller is good or bad |
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Operation |
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Check Items |
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| There is no beep from |
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Considerable main cause | Push the START/STOP button. | the indoor unit. | |
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| The operation lamp of | |
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| the air conditioner main |
Measures | Does the transmission | NO | unit does not light. |
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Item by symptom | indicator of remote |
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controller light? |
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| YES |
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Is there direct | NO |
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| Take out the batteries and | |
sunlight on the |
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| insert them again. | ||
receptor of the |
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air conditioner? |
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YES |
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| Is operation | ||
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| Is there any | NO | NO | possible when the | |||
| thyristor | transmitter is moved | |||||
| fluorescent light |
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| nearer to the infrared | |||
| near by? |
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| signal receiver of the | |||
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| YES |
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| air conditioner? | ||
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| YES | ||
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| Battery life | ||
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Avoid direct sunlight.
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| Is Temporary Cool |
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| NO | operation possible when |
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| keeping the temporary |
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| switch of the air conditioner |
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| main unit pressed for |
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| 10 seconds or more? |
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| YES |
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| NO |
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| Can any signal tone |
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| be heard in a transistor | NO |
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| radio when transmitting |
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| within 5cm distance |
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| from the radio? |
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| YES |
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| Keep the air |
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| conditioner away |
| Replace |
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| Replace the |
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| from thyristor |
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| P.C. board. |
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| fluorescent light. |
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| battery. |
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Push the START/
STOP button
Does the transmission | NO | |
indicator light? |
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| YES |
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Is there any receiving sound and operation?
YES
| Remote |
Normal | controller |
| is failure. |
– 49 –
