Airwell HDD 009, Руководство пользователя

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Error Failure Code list and Probable Cause
The Fault codes can be displayed by 2*7 segments (on IDU Display board)
Blinking of IDU LEDs (RUN,COOL,HEAT) can also show the information of fault code.
For Models 18/24 diagnostic can be also detected from the
outdoor by a combination of LEDs located on the controller.
Diagnostic from IDU Display:
If the malfunction still exists 4min later after the unit had stopped due to compressor
protection, an error code will be directly displayed through the indoor display. In other
situations, error code can be displayed by pressing LIGHT button 6 times within 4s.
□ - LED OFF
■ - LED ON
☆ - LED BLINK
Leds Status: