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8 Maintenance
Warning! 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 (EN 62061:2005).
Warning! In case of breakdown or damage to the product, contact ABB Jokab Safety. 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 personnel injuries
Troubleshooting
LED on Adam
Lights red
No light
Lights green (but no
dynamic output
detected)
Lights green/red
(flashing)
Fast flashing red
Fast flashing green
Warning! Never bypass the safety circuit using Tina 1A or any other solution. Always replace a
defect unit with a new one.
2TLC172271M0201
Rev D
Expected causes of faults
Eva away from Adam
Metal between Adam and
Eva
+24 VDC short to pin-2
(no dynamic signal)
Loss of power supply
Defect dynamic signal
input to unit
No dynamic input (Eva in
position with Adam)
Fail safe mode
At end of detection
distance
Corrective actions
Move Eva closer to Adam
Remove the metal
Check the dynamic input and cabling
Check +24 VDC / 0 VDC power supply
Check the dynamic input or the unit
before in the safety circuit.
Check the unit before in the safety
circuit (make it active).
1.
Power cycle
2.
Erase and reteach code
3.
Replace unit
Move Eva closer to Adam.
25
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