5.3 Controller Recovery
If the Controller becomes inoperable, use the procedures described in this section to
Controller Backup is recommended for easy recovery of the Controller operation. For
details of Controller Backup, refer to Maintenance 4. Backup and Restore.
The following two conditions describe the Controller error status after turning on
Condition A The Controller automatically changes to Recovery mode and the LED of
Condition B The LED of TEACH, AUTO, and PROGRAM do not blink.
Countermeasure for the error status is as follows.
Condition A Follow Maintenance 5.4
RC700 / RC700-A Rev.23
ERROR, TEACH, and PROGRAM are lighting.
communicate with the development PC though the Controller does not
Cannot communicate with the Controller using the development PC.
Execute the following steps:
(1) Turn OFF the Controller.
(2) Push the trigger button located on the front side of the Controller and
while holding the button in, turn ON the Controller. Continue to
hold in the trigger button for 30 seconds.
Controller to start in Recovery mode.
(3) Make sure that the LED of ERROR, TEACH, and PROGRAM are
(4) Follow the procedure in Maintenance 5.4 Firmware Initialization
Procedure from step (3) to initialize the firmware.
Maintenance 5. Firmware Update
Firmware Initialization Procedure
You are able to
to initialize the
This will cause the