No Cable Displayed During Power Up - Universal Robots UR5 Service Manual
With cb2-controller
valid from robot s/n 2012208573/4
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Also See for UR5:
- Service manual (238 pages) ,
- User manual (223 pages) ,
- Original instructions manual (193 pages)
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5.3.2 NO CABLE displayed during power up
NO CABLE displayed during
power up > controller shuts
off after few seconds
Measure that 230V AC is present on power input
connector on 12V power supply
Measure that 12V DC is present on 12V_IN
connector on Masterboard and diode marked 12V
in top right corner of Masterboard is lit
During power up (within first few seconds) check
that the top four diodes in top right corner of
Masterboard are lit before they turns off again
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YES
YES
YES
NO
NO
NO
90
Servicemanual_UR5_en_rev2.0.5
Replace current distributor
Replace 12V power supply
Replace Masterboard
Replace motherboard
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