Troubleshooting; Led Indications - ABB Tina 2A Product Manual

8

Troubleshooting

8.1
LED indication
Red
No LED light
Green (but no DYNlink
output detected)
Weak lights
2TLC172121M0201 Rev.E

LED indications

Probable cause
+24 VDC connected to
DYNlink signal input
Loss of power supply
Defective DYNlink signal
input to unit
Unit is defective
Action
Check if there is +24 VDC on
DYNlink signal input. If yes, check
cable connections or the unit
before.
Check +24 VDC/0 VDC power
supply.
Check the DYNlink input or the unit
before.
Replace the unit.
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