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Troubleshooting > Startup System Failure Diagnosis > Flow A: Execution Flow for Control Panel Startup Failure > Status Check
Troubleshooting > Startup System Failure Diagnosis > Flow A: Execution Flow for Control Panel Startup Failure > Status Check
●
Check item
Item Check item
Location
(1)
Control Panel
LED
(2)
Main Controller
PCB1: LED8
LED8
Item Check item
Location
(3)
AC driver PCB
J113
J113
AC driver PCB
J113
Check the pin
1(3.3V) and pin
2 (GND)on the
cable side.
Normal value:
3.3V
1
2