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Troubleshooting > Startup System Failure Diagnosis > Flow B: Control Panel 12V Check Flow
Troubleshooting > Startup System Failure Diagnosis > Flow B: Control Panel 12V Check Flow
Item Check item
Location
(2)
Disconnect and
then connect
the 12V
Power Supply
Connector of
the Control
Panel
Disconnect and then connect the 12V
Connector of the Control Panel
J1002
(3)
Control Panel
CPU PCB
Control Panel CPU PCB
(Note that an open circuit is likely to occur when the
cable is being disconnected and then connected)
Item Check item
Location
(4)
Relay PCB
J427
J427
(5)
Disconnect
J427 of the
Relay PCB
and check
the following
resistance:
Relay PCB
FU4
Normal value:
0 ohm