Universal Robots UR12e User Manual page 186

14. Maintenance and Repair
Description Any maintenance work, inspection and calibration shall be conducted in compliance with
all safety instructions in this manual and according to local requirements.
Repair work shall be done by Universal Robots. Client designated, trained individuals
can do repair work, provided they follow the Service Manual.
Safety for After maintenance and repair work, checks must be done to ensure the required safety
Maintenance level. Checks must adhere to valid national or regional work safety regulations. The
correct functioning of all safety functions shall also be tested.
The purpose of maintenance and repair work is to ensure that the system is kept
operational or, in the event of a fault, to return the system to an operational state. Repair
work includes troubleshooting in addition to the actual repair itself.
When working on the robot arm or control box, you must observe the procedures and
warnings below.
14.1. Testing Stopping Performance
UR12e
WARNING
Failure to adhere to any of the safety practices, listed below, can result in injury.
•
Unplug the main power cable from the bottom of the Control Box to ensure
that it is completely unpowered. Power off any other source of energy
connected to the robot arm or Control Box. Take necessary precautions to
prevent other persons from powering on the system during the repair
period.
•
Check the earth connection before re-powering the system.
•
Observe ESD regulations when parts of the robot arm or Control Box are
disassembled.
•
Prevent water and dust from entering the robot arm or Control Box.
WARNING: ELECTRICITY
Disassembling the Control Box power supply too quickly after switching off, can
result in injury due to electrical hazards.
•
Avoid disassembling the power supply inside the Control Box, as high
voltages (up to 600 V) can be present inside these power supplies for
several hours after the Control Box has been switched off.
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14. Maintenance and Repair
User Manual