11 Troubleshooting
52 YASKAWA ELECTRIC TOBP C730600 60C V1000 Option SI-EN3/V Installation Manual
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Option Error Codes
n Option Fault Monitors U6-98 and U6-99
The option can declare error/warning conditions via drive monitor parameters on the drive
digital operator as shown in Tabl e 13.
Table 13 Option Fault Monitor Descriptions
Two drive monitor parameters, U6-98 and U6-99 assist the user in network troubleshooting.
• U6-98 displays the first declared fault since the last power cycle. U6-98 is only cleared
upon drive power-up.
• U6-99 displays the present option status. U6-99 is cleared upon a network-issued fault
reset and upon power-up.
If another fault occurs while the original fault is still active, parameter U6-98 retains the
original fault value and U6-99 stores the new fault status value.
Fault Condition
Fault
Declared
Status Value
(U6-98/U6-99)
Description
No Fault n/a 0 No faults.
Force Fault EF0 3
Network sent a message to force this node to the fault
state.
Network Link Down BUS ERROR 1100 No network link to option.
Connection Time-out BUS ERROR 1101 The node timer (Requested Packet Interval) timed out.
Duplicate IP Address BUS ERROR 1102
This node and at least one other node have the same IP
Address.
Default MAC Address None 1103
Factory default MAC Address programmed into the
option. Return for reprogramming.