Service manual OEB/OES/OGB/OGS
KD / 19.08.2009 5_00e_Troubleshooting list and error messages - Electronics_h.doc
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5.8 Troubleshoot using the LEDs on the controllers
Supply module Control module Operating module
without casing (old)
with casing (new)
Position of the LED
Supply module
No.
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.
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.
Function LED
44
gn Diagnosis
flickers
when OM is working
43
44
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