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Yes
Check the voltage of power supply, if the voltage is about 220V, turn off the
power supply to indoor unit and turn it on again after 1 minute
Does the trouble occur again?
Check the voltage of secondary of T3 transformer in outdoor power board , is
this voltage 12-14V(AC)
No
Replace the outdoor power board
Summary of Contents for ATE-053DCIMX05
Page 6: ...c ATE 081DCIM4X05...
Page 9: ...5 6 Indoor unit combination ATE 081DCIM4X05 2QH XQLW 7ZR XQLW 7KUHH XQLW RXU XQLW...
Page 10: ...6 Wiring Diagram 6 1 Indoor unit TAILLE 021 026 035 053 6 3 Outdoor unit ATE 053DCI2X05...
Page 11: ...6 4 Outdoor unit ATE 079DCI3X05 6 6 Outdoor unit ATE 081DCI4X05...