33
Troubleshooting
States of the HUM Monitor Lamp and Their Meanings
3 long
beeps
If the HUM monitor lamp blinks and an error code appears, unplug the power supply plug, wait at least 5 seconds, and then
reinsert the power supply plug and operate. If an error code still appears, handle it by following the setting procedure.
Error code
Cause/Solution
An electrical component is malfunctioning.
¼
Contact your dealer or the customer service center.
The temperature sensor is malfunctioning.
¼
Contact your dealer or the customer service center.
The humidity sensor is malfunctioning.
¼
Contact your dealer or the customer service center.
Are the pre-filter, dust collection
filter, humidifying filter unit,
humidifying tray, and water tank
attached?
Lamps may blink when the
components are removed and
the unit is operated.
If all components are attached
An electrical component is malfunctioning.
¼
Contact your dealer or the customer service center.
If a component is not attached
¼
Unplug the power supply plug, reattach the
components, and then restart operation.
Is there a buildup of dust on the
pre-filter?
If there is not a buildup of dust
An electrical component is malfunctioning.
¼
Contact your dealer or the customer service center.
If there is a buildup of dust
¼
Unplug the power supply plug, clean the pre-filter, and
then restart operation.
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Is the air outlet blocked?
If the air outlet is not blocked
An electrical component is malfunctioning.
¼
Contact your dealer or the customer service center.
If the air outlet is blocked
¼
Remove any obstacles blocking the air outlet, and then
restart operation.
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Summary of Contents for MCKB70YSAU
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