Universal Robots UR20 User Manual

Check which safety inputs and outputs are active and that they can be triggered via PolyScope or
external devices.
Backup data
See section Backup of data
3.2.3. Visual Inspection: Control Box
1. Disconnect the power cable from Control Box.
2. Check the Control Board terminals are properly inserted.Do not ignore loose wires.
3. Check for any dirt/dust inside Control Box. Clean with ESD vacuum cleaner if needed.
NOTICE
Using compressed air to clean the Control Box can cause damage to the Control
Box components.
•
Never use compressed air to clean the Control Box.
3.2.4. Cleaning
To clean the Teach Pendant touch screen
Use a mild, industrial cleaning agent without thinning agents or any aggressive additives. Do not
use an abrasive material to wipe down the screen.Universal Robots does not promote a specific
cleaning agent.
To clean the Control Box filters
There is a filter on either side of the Control Box.
1. Gently remove the outer plastic frame, by pulling where the red arrows are shown in the
images below. The frame tilts outward.
2. Remove both filters and use low pressure air to clean them.
If necessary, replace filters.
Service Manual 11 UR20
3.Recommended Inspection Activities
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Universal Robots UR20 Specifications

General

Brand	Universal Robots
Model	UR20
Category	Robotics
Language	English