TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
WARNING! | In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical |
breaker, and consult authorized service personnel. | |
| Merely turning off the unit’s power switch will not completely disconnect the unit from the power |
| source. Always be sure to turn off the electrical breaker to ensure that power is completely off. |
Before requesting service, perform the following checks:
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NORMAL | Doesn’t operate immedi- | ● If the unit is stopped and then immediately started again, the com- |
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FUNCTION | ately: |
| pressor will not operate for about 3 minutes, in order to prevent |
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| fuse blowouts. | — | |
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| ● Whenever the electrical breaker is turned off then on again, the | |||
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| protection circuit will operate for about 3 minutes, preventing unit |
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| operation during that period. |
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| Noise is heard: | ● During operation and immediately after stopping the unit, the |
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| sound of water flowing in the air conditioner’s piping may be heard. |
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| Also, noise may be particularly noticeable for about 2 to 3 minutes | — | |
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| after starting operation (sound of coolant flowing). | ||
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| ● During operation, a slight squeaking sound may be heard. This is |
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| the result of minute expansion and contraction of the front panel |
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| due to temperature changes. |
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| *● | During Heating operation, a sizzling sound may be heard occasion- | 14 | |
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| ally. This sound is produced by the Automatic Defrosting operation | ||
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| Smells: | ● Some smell may be emitted from the indoor unit. This smell is the |
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| result of room smells (furniture, tobacco, etc.) which have been | — | |
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| taken into the indoor unit. |
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| Mist or steam are | ● During Cooling or Dry operation, a thin mist may be seen emit- |
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| 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 indoor unit, resulting in con- | ||
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| densation 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- | 14 | |
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| matic Defrosting operation. |
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| Airflow is weak or stops: | *● When Heating operation is started, fan speed is temporarily very |
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| low, to 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 outdoor unit will stop, and the indoor | ||
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| unit will operate at very low fan speed. If you wish to warm the |
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| room further, set the thermostat to a higher setting. |
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| *● During Heating operation, the unit will temporarily stop opera- |
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| tion (between 4 and 15 minutes) as the Automatic Defrosting | 14 | |
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| mode operates. During the Automatic Defrosting operation, | ||
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| will be shown on the remote controller display. |
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| ● | The fan may operate at very low speed during Dry operation or | — | |
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| when the unit is monitoring the room’s temperature. | ||
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| ● | During QUIET operation, the fan will operate at very low | — | |
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| speed. | ||
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| ● | In the monitor AUTO operation, the fan will operate at very low | — | |
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| speed. | ||
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●In case of
| ward will stop and the OPERATION indicator lamp (green) will | 16 | |||
| flash, |
| will be shown on the remote controller display. | ||
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| Heating mode and cooling mode (or dry mode) |
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| Heating mode and fan mode |
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Water is produced from | *● During Heating operation, water may be produced from the out- | 14 | |||
the outdoor unit: | door unit due to the Automatic Defrosting operation. | ||||
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The ECONOMY Indicator flashes | ● Clean the filter. Afterwards, turn the ECONOMY Indicator off. | 12 | |||
thermo sensor display | ● The room temperature sensor may be malfunctioning. Please con- |
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on the remote controller | sult authorized service personnel. | — | |||
is flashing: |
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9/6/2010 10:36:32 AM
