Universal Robots E Series Manual

6.4. LED indicators and Fuse on Safety Control Board
6.4.1. LED Indicators on Safety Control Board
The below LEDs are “power” LEDs. They are either on or off.
LED for power
•
Green color permanent = Power on
•
No color permanent = Error or no power
Below are “communication” LEDs. They flash in different patterns, depending on the status.
LED for Safety A and Safety B
Green fast flash = Bootloader
Green slow flash = Normal communication
Red permanent = Error (Red flash can happen during bootup/power on, this is normal.)
LED for FPGA
Green/Red permanent = Normal communication
Green slow flash = No communication/trying to establish communication
6.4.2. Fuse
Fuse is a 10A fast-acting mini blade fuse.
Service Manual 93 e-Series
6.Troubleshooting
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Universal Robots E Series Specifications

General

Brand	Universal Robots
Model	E Series
Category	Robotics
Language	English