SATO CG4 Series - Troubleshooting Flowchart

Section 5: Troubleshooting
Page 5-4
CG4 Series Service Manual
5.2 TROUBLESHOOTING FLOWCHART
When a problem occurs, the solution can be easily traced using the following troubleshooting flowcharts in
this section. These flowcharts are categorised by different problems and its symptoms, probable causes, and
suggested corrective actions.
5.2.1 Power Problem
Category
Symptoms
Causes Remedy
Maintenance
NO
Power
YES
Printer
does not
turn on
NO
YES
NO
YES
Is power
connection
OK?
Check the
connection of
power connector
Check the
connector
connection
Is board
connection
OK?
Replace MAIN
PCB and
KB board
Check the
connection of
Main PCB board
and KB board
SET
Refer to 7.5 Main
Circuit Board
Replacement &
7.6 Operational
Panel (KB) Board
Replacement
Is the DC
adapter
connection
OK?