Hitachi SAMURAI Series Service Manual page 103

4 Troubleshooting
Summary of fault diagnosis
2 Caution
Abnormalities that are not a hindrance for operation, but could lead to serious failure if neglected, are output as
warnings.
LCD Display: Show
3 Troubleshooting of the LCD Screen
In case that the screen does not proceed further from the display of the following figure  on the below upon power
ON, it is because transmission between the LCD Screen and the CPU PCB is not taking place.
• Check wiring between the LCD Screen and the CPU PCB
• Check wiring between the CPU PCB and transformer
95 SMGB0120 rev.0 - 11/2017
Caution occurrence
mark
Confirmation of details of abnormality in "Status"
screen
Processing position of the caution part
Transition of the LCD Screen upon power ON


Remote caution display lamp: Lit ON
(Remote side)
4