Troubleshooting Flowchart - SATO 9001226(A) Service Manual

Section 5: Troubleshooting

5.2 TROUBLESHOOTING FLOWCHART

When a problem occurs, the solution can be easily traced using the following troubleshooting flowcharts. For
each problem, the chart shows its symptoms, probable causes, and suggested corrective actions.
5.2.1 Power Problem
Category Symptoms
Printer
Power does not
turn on
Page 5-8
Causes
No
Is fuse
OK?
Yes
Is
No
Connect cable
connector
connection OK?
Yes
Is direct
No
Check direct
current
current voltage
voltage OK?
Yes
Remedy Maintenance
connector
correctly
Replace power
supply unit
Refer to 7.14
Refer to 6.2
Checking the Replacing Power
Direct-Current
Power Supply
CONT PCB
Replacing Main
(CONT) PCB and
TG3 Series Service Manual
Replace
fuse
Supply
Replace
Refer to 7.11
Calendar IC