Bomag BMP 8500, Operating And Maintenance Instructions Manual

Page: 109 / 128

Trouble shooting
BOMAG 109 BMP 8500
1306 Output is switched
off, function no long-
er possible Output valve vibra-
tion low ampl., Y 56
Short-circuit current
flow out of this output
Output was
switched off!
Short circuit to
ground in the current
path
Lines rubbed through
Valve defective
X3:12 -
1307 Output is switched
off, function no long-
er possible Output valve vibra-
tion low ampl., Y 56
No or too low current
flow out of this output
Wire breakage in cur-
rent path
Current path con-
nected to +12V
X3:12 1305
1306
1307
1308 Output is switched
off, engine runs only
with idle speed 2nd
gear is inhibited Output valve vibra-
tion low ampl., Y 56
Although the output is
switched off, voltage is
present
Current path con-
nected to +12V X3:12 1305
1306
1307
1310 Output is switched
off, function no long-
er possible Output valve vibra-
tion high ampl., Y 57
Too high current flow
out of this output Out-
put was switched off!
Excessive current
flow in current path,
probably because of
a defective coil or a
short circuit to
ground X3:13 -
1311 Output is switched
off, function no long-
er possible Output valve vibra-
tion high ampl., Y 57
Short-circuit current
flow out of this output
Output was switched
off!
Short circuit to
ground in the current
path
Lines rubbed through
Valve defective
X3:13 -
1312 Output is switched
off, function no long-
er possible Output valve vibra-
tion high ampl., Y 57
No or too low current
flow out of this output
Wire breakage in cur-
rent path
Current path con-
nected to +12V
X3:13 1310
1311
1312
1313 Output is switched
off, engine runs only
with idle speed 2nd
gear is inhibited Output valve vibra-
tion high ampl., Y 57
Although the output is
switched off, voltage is
present
Current path con-
nected to +12V X3:13 1310
1311
1312
Code Fault reaction Description of fault Possible cause Terminal
on BLM Input
code for
diag-
nose