Outdoor unit display
LED STATUS
E7
outdoor unit communication protection
Outdoor unit display
LED STATUS
Is the LED in outdoor main PCB light?
1.Is the +5 voltage in outdoor main board?
Power Board: CN4, Red wire and yellow (GND)
Outdoor main PCB: CZ1
2.Is the +3.3v voltage in outdoor main board?
Power Board: CN1, Purple wire and yellow (GND)
Inverter module defective.
Rectifier circuit is bad connection or
defective when the voltage in outdoor is
abnormal .
D and N: 310V(DC);
No
Yes
No
Yes
Check the signal wires between outdoor
PCBs, is it connected good.
Check the IC6, IC7 (at Outdoor power PCB)
Normally:
Input voltage: <5V, changeable
Output voltage:<5V, changeable
Outdoor power PCB is defective.
No
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...
