2TLC172271M0201 Rev.H 26
8 Maintenance
Maintenance precautions
Maintenance shall be done in accordance with a risk assessment for the individual application.
The safety functions and the mechanics must be tested regularly, at least
once every year to confirm that all the safety functions are working
properly.
In case of breakdown or damage to the product, contact ABB. Do not try to
repair the product. It might accidentally cause permanent damage,
impairing the safety of the device and in turn lead to serious
injury to
Troubleshooting
Expected causes of faults
Lights red
Eva away from Adam Move Eva closer to Adam
Metal between Adam and
Eva
Remove the metal
+24 VDC short to pin-2
(no DYNlink signal)
Check the DYNlink input and cabling
No light Loss of power supply Check +24 VDC / 0 VDC power supply
Lights green (but no
DYNlink output
detected)
Defect DYNlink signal
input to unit
Check the DYNlink input or the unit
before in the safety circuit.
Lights green/red
(flashing)
No DYNlink input (Eva in
position with Adam)
Check the unit before in the safety
circuit (make it active).
Fast flashing red Fail safe mode
1. Power cycle
2. Erase and reteach code
3. Replace unit
Fast flashing green
At end of detection
distance
Move Eva closer to Adam.
bypass the safety circuit using Tina 1A or any other solution. Always
replace a defect unit with a new one.
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