Viewing The Alarm Codes In The 7-Segment Led; Diagnostics By Alarm Message; Alarms Related To Network Unit Connections And Settings - Yamaha RCX340 User Manual

11.2 Viewing the alarm codes in the 7-segment LED

Normal state
• The "PWR" LED on the front of the controller is lit, and the 7-segment LED shows the following.
(Servo off, return-to-origin incomplete, emergency stop cancelled)
S O E
Abnormal state
• The "PWR" LED on the front of the controller is lit, and the 7-segment LED shows an alarm code.
• Note the alarm message on the programming box, and take the actions prescribed by the troubleshooting guidelines.
(Example) Display when an alarm occurs
"E + alarm group number" and "alarm type number" are displayed alternately.
* In the example above, alarm code "17.403" is indicated.
* For details on the alarm messages and content corresponding to each alarm code, refer to "11.3 Diagnostics by alarm
message," or the troubleshooting section of the RCX340 controller user's manual.

11.3 Diagnostics by alarm message

Alarm messages related to the network unit are shown below.
Alarm messages not listed in this document may be alarms resulting from the robot controller unit.
Refer to the troubleshooting section of the robot controller user's manual.
11.3.1

Alarms related to network unit connections and settings

These errors occur if communication is not established, or if communication is unstable.
12.591 : EtherCAT link error
Code : &H000C &H024F
Meaning/Cause
Action
12.592 : EtherCAT overtime error
Code : &H000C &H0250
Meaning/Cause
Action
a. Error occurred in cable for EtherCAT system.
b. The communication setting of the EtherCAT system incorrect.
c. The master module power is turned off, or the PLC has stopped operating, or is broken.
d. The EtherCAT compatible module is breakdown.
a. Check for a break disconnection, wiring error, short circuit on the EtherCAT cable or
the specifications (cable length, etc.).
b. Check the communication setting.
c. Check that the master module operates correctly.
d. Replace the EtherCAT compatible module.
a. Communication error occurred by noise, etc. in the EtherCAT system.
b. Master module power is turned OFF or has stopped operating.
c. The cable is broken or unconnected.
a. Take the noise preventive actions for the cable and controller of the EtherCAT system.
b. Check that the master module operates correctly.
c. Check the EtherCAT cable connectio
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