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Troubleshooting Methods
• Connect the connector or stop operation (include during Patrol operation) to cancel the blinking.
ii. Abnormal Discharge
Judgement Method
• During e-ion operation, when feedback voltage is -Lo (at microcontroller) is detected, it is judged abnormal discharge and
stops power supplies to the e-ion Air Purifying system.
• The unit retries after 30 minutes and repeat for 24 times. (not applicable for e-ion Check Mode)
Troubleshooting Method
• Press “e-ion” button or “OFF/ON” button to stop the operation and check the e-ion Air Purifying system main connector to
PCB.
• After that, press “e-ion” button again to confirm the e-ion indicator not blinking.
• The 24 times counter will be clear after 10 minutes of normal operation or when operation stops.
Error Reset Method
• Press “OFF/ON” button to OFF the operation.
• Press AUTO OFF/ON button at indoor unit to OFF the operation.
• OFF Timer activates.
• Press “e-ion” button during e-ion individual mode.
• Power supply reset.
iii. e-ion breakdown
Judgement Method
• When hi-feedback voltage (at microcontroller) supplied to filter during e-ion stop, due to PCB or filter’s high voltage power
supply damage.
• Operations except e-ion continue. Both Timer indicator and e-ion indicator blink.
Troubleshooting Method
• Press “e-ion” button or “OFF/ON” button to stop the operation.
• Change main circuit board or filter’s high voltage power supply.
• When lo-feedback voltage supplied to e-ion Air Purifying system during e-ion operation, e-ion indicator and Timer indicator
stop blinking.
12.13. Mild Dry Cooling Operation
• This operation helps to prevent decreases in room humidity while maintaining the setting temperature.
• During unit running at Cooling operation mode, if “Mild Dry Cooling” button is pressed, Mild Dry Cooling operation starts and Mild
Dry Cooling indicators turns ON.
• Mild dry cooling operation is unavailable when the unit is operating Auto mode, Soft Dry mode, Patrol individual operation or
e-ion individual operation.
• Mild dry cooling operation is cancelled when the unit turned OFF, or when the operation mode changed from Cooling to other
mode.
• Powerful, Quiet and Mild Dry Cooling mode cannot function at the same time, the unit will follows the operation according to the
last signal received.
• During this operation, the compressor frequency changes according to operating condition to prevent room humidity decreases
and when AUTO AIR SWING is set, the vertical airflow direction fixed at lower limit position.
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