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45 SDB Bridging Error
SDB board cannot bridge safety line. Check 140, ML1,
ML2 inputs, ML1 and ML2 switches and related magnets.
Cause
Troubleshooting
1. Press M7-U1 enter to erase the UCM fault.
2. Check the reason that gave the UCM fault. sometimes after a
startup this error appear for no reason. if this error insists then
check the ML1-ML2 pencil switches. Check if there is a weird
bridging to the DSDB board and to the 140 of the safety lines.
3. In the car top inspection controller inside the trunkings you
can locate 2 diodes. check their condition and their correct po-
larity.
4. Contact the after-sales service department.
TIP: Check electrical drawings pages 3-12-13
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