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18
GB
8. Maintenance
The product is maintenance-free.
9. Troubleshooting
Any malfunctions that cannot be removed by means of the measures described in this chapter may only be repaired by a trained expert.
Problem
Possible reason
Repair
LED operation mains voltage not lit
(green LED)
No mains voltage
Check the supply voltage
Fuse defective
Check the fuse
LED 5 V operation not lit (green LED)
No mains voltage
Check the supply voltage
Fuse defective
Check the fuse
Other malfunctions
Power supply unit defective
Contact your specialised company
1. Open the cover using a screwdriver.
Example: Replacing the fuse in the base module Control.
2. Remove the fuse holder.
3. Replace the defective fuse with a G fuse insert 5 x 20 mm.
9.1 Replacing the fuse
B
Verify that the mains voltage is disconnected and cannot be switched on.