TROUBLESHOOTING Service Manual M4 - M10
11.07.2002 Page 39
F19
Check connections and cables of installed
option board
F19 OPTIONAL BOARD IDENTIFICATION
Clear fault memory
Voltage
OK
Replace the optional board with functioning one
according to optional board users manual's
instrucions
Check on operation voltage of the optional board
from the connector X1, X2, X6 for (+/-) 12V,
+24V
Check power feeding lines from power board to
optional board for bad connections
F19
YES
NO
NO
YES
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