Gree GWH12QC-K3DNA1B

28
Installation and Maintenance
Service Manual
7. Auto mode
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8. 8
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heating
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. Display board of IDU displays 8
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When power on, communication light will be blinking in a normal way (after receiving a group of correct signals,
blinking stops for 0.2s~0.3s). If there’s no communication, communication light will be always on. If other ODU has
malfunction, communication light will be on for 1s and off for 1s in a circular way.