FILE NO.
11-1-1. Confirmation of Power Supply
Confirm that the power breaker operates (ON) normally.
11-1-2. Confirmation of Power Voltage
Confirm that power voltage is AC
If power voltage is not in this range, the unit may not operate normally.
11-1-3. Operation Which is not a Trouble (Program Operation)
For controlling the air conditioner, the program operations are built in the microcomputer as described in the following table.
If a claim is made for running operation, check whether or not it meets to the contents in the following table.
When it does, we inform you that it is not trouble of equipment, but it is indispensable for controlling and maintaining of air conditioner.
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No. | Operation of air conditioner |
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1 | When power breaker is turned “ON”, the |
| The OPERATION lamp of the indoor unit flashes when power | ||
| operation indicator (Green) of the indoor |
| source is turned on. If [ |
| ] button is operated |
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| unit flashes. |
| once, flashing stops. (Flashes also in power failure) | ||
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2 | Compressor may not operate even if the |
| The compressor does not operate while compressor restart | ||
| room temperature is within range of |
| delay timer | ||
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| The same phenomenon is found after power source has | |||
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| been turned on because | ||
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3 | In Dry and ECO mode, FAN (air flow) |
| The air flow indication is fixed to [AUTO]. | ||
| display does not change even though FAN |
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| (air flow select) button is operated. |
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4 | Increasing of compressor motor speed |
| For smooth operation of the compressor, the compressor | ||
| stops approx. 30 seconds after operation |
| motor speed is restricted to Max. 41 rps for 2 minutes, and | ||
| started, and then compressor motor speed |
| Max.91 rps for 2 minutes to 3 minutes, respectively after the | ||
| increases again approx. 30 seconds after. |
| operation has started. | ||
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5 | In AUTO mode, the operation mode is |
| After selecting Cool or Heat mode, select an operation mode | ||
| changed. |
| again if the compressor keeps stop status for 15 minutes. | ||
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6 | In HEAT mode, the compressor motor |
| The compressor motor speed may decrease by hightemp. | ||
| speed does not increase up to the maxi- |
| release control (Release protective operation by | ||
| mum speed or decreases before the |
| the indoor heat exchanger) or current release control. | ||
| temperature arrives at the set temperature. |
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– 68 –