User guide
9.2 Communication Abnormal
WARNING:
DO NOT CONNECT OR DISCONNECT CABLES OR OTHER SYSTEM
COMPONENTS WITH POWER APPLIED.
9.2.1 Command Error
<ERROR DESCRIPTION>
A command has been transferred to the MULTI board that is either not recognized or is
impossible to respond to due to the machine configuration. Example: Data request for a
spindle that is not connected.
<CHECK ITEMS>
1. Verify that the MACHINE CONFIGURATION Screen matches the physical machine
configuration.
2. Turn off power. Remove the FC386 and Multi PCBs, verify compatibility of software
between the two (2) circuit boards. This may be of concern if boards have been
previously replaced.
3. Verify correct installation of all removable IC chips on both the FC386 and MULTI PCBs.
4. Reinstall the FC386 and Multi PCBs. Ensure that the circuit boards are properly seated.
5. Ensure that the Main Unit is not located near any strong electrical or magnetic fields.
6. Check Main Unit input voltage and power cable connection.
7. Turn on the power. If problem persists, replace the Multi PCB. (Refer to Section 8.3)
8. If problem still exists, replace the FC386 PCB. (Refer to Section 8.3)
9. If problem still exists, replace the entire Main Unit. (Refer to Section 8.3)
9.2.2 Sub Command Error
<ERROR DESCRIPTION>
A command has been transferred to the MULTI board that is either not recognized or is
impossible to respond to due to the machine configuration. Example: Data request for a
spindle that is not connected.
<CHECK ITEMS>
1. Verify that the MACHINE CONFIGURATION Screen matches the physical machine
configuration.
2. Turn off the power. Remove the FC386 and Multi PCBs, verify compatibility of software
between the two (2) circuit boards. This may be of concern if boards have been replaced.
3. Verify correct installation of all removable IC chips on both the FC386 and Multi PCBs.
4. Reinstall the FC386 and Multi PCBs. Ensure that the circuit boards are properly seated.
5. Ensure that the Main Unit is not located near any strong electrical or magnetic fields.
6. Check Main Unit input voltage and power cable connection.
7. Turn on the power. If problem persists, replace the Multi PCB. (Refer to Section 8.3)
8. If problem still exists, replace the FC386 PCB. (Refer to Section 8.3)
9. If problem still exists, replace the entire Main Unit. (Refer to Section 8.3)
9.2.3 Presetting Error
Chapter 9: Troubleshooting User Console Version A3.53
Page 9-8










