Read Panasonic MJ-L500STQ Service Manual online
11
5 Troubleshooting Method
5.1.
Parts check/Confirmation/Solution
5.1.1.
Printed circuit board diagnosis
■
Confirmation/Method
<Item 1> Confirm the connection and conducting state of the micro switch.
• Push and press the link, visually check if it can work normally.
• Check its conducting state through the tester.
• Check its conducting state through the tester.
<Item 2> Confirm the state of the circuit breaker.
• Visually check if the straight conducting wire has any defects, such as poor welding and foil fracture.
• Confirm its conducting state through the tester, and check if the wire is broken or has poor contact.
• Confirm its conducting state through the tester, and check if the wire is broken or has poor contact.
<Item 3> Confirm if the fuse (F1: 250V3.15A / F2: 250V10A) blows or not.
• Confirm the conducting state of the fuse through the tester.
■
Solution
• Replace the PCB case unit
5.1.2.
Switch Diagnosis
■
Confirmation/Method
<Item 1> Confirm the connection and conducting state of the switch.
• Turn on and off the power switch, and visually check if it works well.
• Confirm its conducting state through the tester.
• Confirm its conducting state through the tester.
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