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„Hot air is emitted even though the unit is stopped
• Hot air can be felt when the unit is stopped.
Several different indoor units are being run on the same system, so if another unit is running, some refrigerant will still flow through the unit.
„Does not cool very well
• Dry operation.
Dry operation is designed to lower the room temperature as little as possible.
Refer to page 5
.
Trouble Shooting
If one of the following malfunctions occur, take the measures shown below and contact your local dealer.
Warning
• Stop operation and shut off the power if anything unusual occurs (burning smells, etc.)
Leaving the unit running under such circumstances may cause breakage, electrical shock, or fire.
Contact your local dealer.
• If a safety device such as a fuse or a breaker frequently actuates;
Measure : Do not turn on the main power switch.
• If the ON/OFF switch does not properly work;
Measure : Turn off the main power switch.
• If water leaks from unit;
Measure : Stop the operation.
• The operation mode selector button does not work well.
Turn off the power.
If the system does not properly operate except for the above mentioned cases and none of the above mentioned
malfunctions is evident, investigate the system according to the following procedures.
If it is impossible to fix the problem after checking all the above items, contact your local dealer.
Let them know the symptoms, system name, and model name.
1. If the system does not operate at all;
• Check if there is no power failure.
Wait until power is restored. If power failure occurs during operation, the system automatically restarts immediately after the
power supply is recovered.
• Check if no fuse has blown;
Turn off the power supply.
• Check if the breaker is blown.
Turn the power on with the breaker switch in the OFF position.
Do not turn the power on with the breaker switch in the Trip position.
(Contact your local dealer.)
2. If the system stops soon after starting the operation;
• Check if air inlet or outlet of outside or indoor unit is not blocked by obstacles.
Remove any obstacle and make it well-ventilated.
• Check if the remote controller display shows "Time to clean filter & element";
Refer to the Operation Manual of the indoor unit. And clean the air filter or element.
3. The system operates but cooling or heating is insufficient;
• Check if air inlet or outlet of outside or indoor unit is not blocked by obstacles.
Remove any obstacle and make it well-ventilated.
• Check if the remote controller display shows "Time to clean filter & element";
Refer to the Operation Manual of the indoor unit. And clean the air filter or element.
• Check the temperature setting.
Refer to "Operation Procedure".
3P362438-6N
English
ON
Switch
Trip position
OFF
Breaker
11
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