Service manual OEB/OES/OGB/OGS
5_00e Troubleshooting list_L 22/27 2013-01-30
5.9 Troubleshoot using the LEDs on the controllers
Previous Supply module Control module Operating module
Current Supply module
Supply module
No. Colou
Function LED
41 rd Diagnosis lights up if internal fuse defective
42 gn Diagnosis lights up if output voltage correct (12V)
goes out if output voltage below 12 V
Control module
No. Colou
Function LED
43 gn Diagnosis flashes if CM is working (data is being exchanged between OM and CM)
goes out no supply voltage or no programme
Operating module
No. Colou
Function LED
44 gn Diagnosis flickers when OM is working
41
42
43
44
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