GREE U-Match 6 SERIES UNIT SERVICE MANUAL
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3.4 Troubleshooting
3.4.1 “E0” Indoor Fan Error
Error display:
IDU wired controller and IDU receiver light board will display E0.
Error judgment condition and method:
Check if the rotation speed of IDU is too slow, or it stops rotation, or protection signal of outdoor fan is
transferred. If yes, it is judged that indoor fan protection occurs.
Possible reason:
■Motor stops operation or it is blocked;
■IDU mainboard is abnormal.
Troubleshooting:
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