Panasonic MJ-L600STQ Service Manual ▷ View online
13
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: 250V2A / F2: 250V5A) 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.
14
<Switch position OFF>
<Switch position ON>
<Switch position REVERSE>
■
Solution
• Replace the switch
5.1.3.
Motor Diagnosis
■
Confirmation/Method
<Item 1> Motor (conductivity confirmation)
• Confirm the conducting state between two terminals (wiring terminals) of the motor.
<Item 2> Motor (running confirmation)
• Turn the spindle of the motor by hand to make sure that the spindle is not fixed.
■
Solution
• Replace the motor
Terminal
Number
1a
1
1b
2a
2
2b
1a
－
－
－
－
－
－
1
－
－
－
－
－
－
1b
－
－
－
－
－
－
2a
－
－
－
－
－
－
2
－
－
－
－
－
－
2b
－
－
－
－
－
－
Terminal
Number
1a
1
1b
2a
2
2b
1a
－
1.4Ω
－
－
－
－
1
1.4Ω
－
－
－
－
－
1b
－
－
－
－
－
－
2a
－
－
－
－
1.4Ω
－
2
－
－
－
1.4Ω
－
－
2b
－
－
－
－
－
－
Terminal
Number
1a
1
1b
2a
2
2b
1a
－
－
－
－
－
－
1
－
－
1.3Ω
－
－
－
1b
－
1.3Ω
－
－
－
－
2a
－
－
－
－
－
－
2
－
－
－
－
－
1.4Ω
2b
－
－
－
－
1.4Ω
－
15
6 Key points of disassembly and assembly
Requirements:
To assemble, please follow the reverse procedure of
disassembly with reference to the key points of
assembly.
disassembly with reference to the key points of
assembly.
Preparations:
Before you begin to work, make sure that the food
pusher, juicing bowl lid, squeezing screw, juice
attachment, juicing bowl and other attachments are
removed from the motor housing.
pusher, juicing bowl lid, squeezing screw, juice
attachment, juicing bowl and other attachments are
removed from the motor housing.
6.1.
Housing Part
1. Unscrew the fixing screws (6 pieces) from the bottom
plate.
2. Remove the bottom plate.
3. Unscrew the fixing screws (2 pieces), and remove the
crimping code.
4. Slide the panel in the direction of arrow.
6.2.
Switch Unit Part
1. Slide the panel out from the body temporarily.
16
2. Unscrew the fixing screws (2 pieces), and remove the
panel cover.
*Insert the slotted screwdriver into the gap between the
panel and the panel cover, and separate them.
*Insert the slotted screwdriver into the gap between the
panel and the panel cover, and separate them.
3. Unscrew the fixing screws (4 pieces).
4. Remove the PCB case unit.
5. After the PCB case unit is removed from the panel, take
out the switch cover unit, the breaker link, and the spring.
Take care not to lose any of the parts.
* To assemble, first insert the safety lock pin of the switch
cover into the hole of the breaker link (with a spring), install
the PCB case unit, and then assemble them into the panel,
as shown in the figure.
Take care not to lose any of the parts.
* To assemble, first insert the safety lock pin of the switch
cover into the hole of the breaker link (with a spring), install
the PCB case unit, and then assemble them into the panel,
as shown in the figure.
6. Press and push the fixing claws (in 2 places), and remove
the PCB case cover
7. Remove the fast-on terminals of the switch.
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