Gree U-Match 5 Series - “E8” Indoor Fan Error

GREE U-Match 5 SERIES UNIT SERVICE MANUAL
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3.4.6 “E8” Indoor Fan Error
Error display: IDU wired and IDU receiver light board will display E8
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：