GREE
Multi Variable Air Conditioners Indoor Unit
141
1.3.11 “db” Project debugging
Error display:
ODU mainboard, IDU wired controller and IDU receive light board will display
Error judgment condition and method:
This is a status code of project debugging, not an error code. When IDU or ODU displays this code,
it means the unit is under debugging status and the IDU cannot be operated.
Troubleshooting: ——
Possible reason:——
1.3.12 “L1” Indoor fan protection
Error display:
IDU wired controller and IDU receive light board will display
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
Содержание CM100N1480
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