5 - 6
Failure Investigation
for Electronic Parts
Error message is displayed
"F9" is displayed.
Replace the power supply
PCB assy.
When the power lead wire assy. is
disconnected from the power supply
PCB assy. connector (CN201), is
the voltage between pin 2 and 3, 4
and 3 normal?
• Between pin 2 and 3 : 5V DC
• Between pin 4 and 3 : 30V DC
N
Y
Replace the main PCB assy.
Y
Replace the main PCB assy.
"F8" is displayed.