SATO S86 ex - Troubleshooting; Troubleshooting Flowchart; Power Problem

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S84-ex/S86-ex Service Manual
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You can first refer to the Chapter 6 Troubleshooting of S84-ex/S86-ex operator manual to identify the
cause of errors or problems with the printer. If you cannot find the solution to the problem, continue with
the following troubleshooting flowchart.
3.1 Troubleshooting Flowchart
When a problem occurs, you can easily trace the solution with the following troubleshooting flowcharts.
For each problem, the chart shows its symptoms, possible causes, and suggested corrective actions.
Click on the blue links in the flowchart to go directly to the details of the corrective actions.
3.1.1 Power Problem
3
Troubleshooting
Category
Symptom
Cause Remedy
Maintenance
NO
Power
Is the
power cord
connected?
Connect the
power cord
correctly
YES
No power
supply
NO
Is DC
power voltage
OK?
YES
Check DC power
voltage
Replace the
power supply unit
Replace the
operator panel
KB PCB
Replace the
main (CONT)
PCB
NO
Is the KB
cable connected?
Connect the
KB cable
correctly
YES
NO
Is LCD
backlight
on?
YES
Refer to 5.7
Replacing the
Power Supply Unit
Refer to 4.2
Checking the
Direct Current
Power Voltage
Refer to 5.6
Replacing the
Operator Panel KB
PCB
Refer to 5.5
Replacing the Main
(CONT) PCB