ISHIDA BC-4000 Service Manual page 119

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BC-4000 Service Manual No. 085-6693-02
Chapter 5 ERROR LIST & TROUBLESHOOTING
1. Head cable is defective,
2. Power supply unit is defective.
3. Thermal head is defective.
4. Main board is defective.
3. Check the display board, and
replace it.
4. Check the main board, and
replace it.
1. Confirm the power-supply
voltage.
2. Confirm the permissible head
voltage and replace the power
supply unit.
3. Adjust the head, and replace it.
4. Check the main board, and
replace it.
5-3