A
Troubleshooting
A-46
12.901: PIO internal error
Code : &H000C &H0385
Meaning/Cause
a. The PIO board cable is abnormal.
b. The PIO board power is turned off, or has stopped operation.
c. The PIO board is breakdown.
Action
a.
Check for a break disconnection, wiring error, short circuit on the PIO cable or the specifications
(cable length, etc.).
b. Check if power for the PIO board is supplied normally.
c Replace the PIO board.
12.903: PIO option setting error
Code : &H000C &H0387
Meaning/Cause
The PIO board installed incorrectly.
Action
• Remove the PIO board for correct configuration.
• Set the PIO board INVALID for correct configuration.
12.904: SIO option board initialize error
Code : &H000C &H0388
Meaning/Cause
Initializing the SIO option board failed.
Action
Contact your distributor.
12.905: Option board overlapped
Code : &H000C &H0389
Meaning/Cause
The installed option board cannot be overlapped.
Action
Remove the option board that cannot be overlapped.
12.906: Undefined option board
Code : &H000C &H038A
Meaning/Cause
The installed option board inapplicable.
Action
Contact your distributor.
[14] Alarm related to the communication
14.201 : Communication error
Code : &H000E &H00C9
Meaning/Cause
a. Error occurred in the external communication.
b. The external device was turned on or off with connecting to the communication cable.
Action
• Prevent putting noise generation source close to the robot so as to improve the communication
environment.
• Replace the communication cable.
• Check the communication parameter settings.
14.211 : Receive buffer overflow
Code : &H000E &H00D3
Meaning/Cause
The communication receive buffer exceeded permissible capacity.
Action
• Decrease the communication parameter speed (baud rate).
• Change communication parameter so that the flow control is enabled.
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