Model 6700 Family User’s Manual 27Scale is not transmitting data to the hostdevice1. Check cable connection at both the rearof the scale and the host device.2. Check communication setting and baud rateon both scale and software.3. Perform I/O loopback test.4. Replace the cable.5. Replace the main board.The ZERO key and the TEST key do notfunction1. Open display enclosure and verify that thekeypad cable is still installed correctly.2. Replace the display panel.3. Replace the display PCB.4. Replace the display cable.5. Replace the main PCB.DESCRIPTION PART NUMBERKeyboard Panel 1163-13205Display PCB 7405-15465RS-232 PCB 7405-14704-24 Bit Parallel PCB 7405-14653-240 Bit Serial PCB 7405-14864-2Power Supply - 6702/6710 1148-15535Power Supply - 6720 1148-15536RS-232 Cable - PC 1140-138426700-7 Kg Loadcell 7154-16323-076700-15 Kg Loadcell 7154-16323-156700-30 Kg Loadcell 7154-16323-306700-60 Kg Loadcell 7154-16323-50Remote Display Kit 7300-16577-01Remote Pole Kit 7200-14837Remote Pole/Displ Kit 7’ 7300-16864-01Remote Pole/Displ Kit 14’ 7300-16864-026702/6710 Fr/Rear Mt. Bkt.7200-148296700 Feet 7075-102566702/6710 Frt Mt. Bkt. 1062-17061Spare Parts Listing