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Page 30
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Connecting a points decoder
If you want to switch the points via a points decoder, connect the
points indicator according to the diagram Connections 2 (fig. 3b). In
this case you need a second transformer which supplies only the points
decoder.
Caution:
You must not connect another circuit to this second transformer! A
digital points decoder must be connected via a relay! Possible short
circuit!
FAQ
§
Parts are getting too hot and/or start to smoke.
Disconnect the system from the mains immediately!
Possible cause: one or more components are soldered incorrectly.
à
Perform a visual check.
§
The lamps connected to the module do not light.
Possible cause: The voltage supply is interrupted.
à
Check the connection from the module to the transformer.
Possible cause: One or more lamps are defective.
à
Check the lamps by connecting them directly to the voltage
supply.
Possible cause: The diode D17 is soldered in the wrong way.
à
Reverse D17!
§
Both lamps light permanently.
Possible cause: The points have not switched properly and have
stopped midway.
à
Check the position of the points.