Bomag BMP 8500, Operating And Maintenance Instructions Manual

Page: 114 / 128

Trouble shooting
BOMAG 114 BMP 8500
5050 Output is switched
off, engine runs only
with idle speed Output relay K 114,
engine speed sole-
noid
Too high current flow
out of this output
Output was switched
off!
Excessive current
flow in current path,
probably because of
a defective coil or a
short circuit to
ground
X3:09 -
5051 Output is switched
off, engine runs only
with idle speed Output relay K 114,
engine speed sole-
noid
Short-circuit current
flow out of this output
Output was switched
off!
Short circuit to
ground in the current
path
Lines rubbed
through
X3:09 -
5052 Output is switched
off, engine runs only
with idle speed Output HW-shut-
down solenoid, Y
13
No or too low current
flow out of this output
Wire breakage in
current path
Current path con-
nected to +12V
X3:09 5050
5051
5052
5053 Output is switched
off, engine runs only
with idle speed Output relay K 114,
engine speed sole-
noid
Although the output
is switched off, volt-
age is present
Current path con-
nected to +12V
X3:09 5050
5051
5052
5054 Input AUX – signal
engine solenoid Y
13
Wire breakage in
current path
X3:04 -
5060 Output switched off,
no potential 15 on
machine, control is
working, engine is
stopped or cannot be
started Output relay K 11,
changeover of po-
tential 15
Too high current flow
out of this output
Output was switched
off!
Excessive current
flow in current path,
probably because of
a defective coil or a
short circuit to
ground
X3:07 -
Code Fault reaction Description of fault Possible cause Terminal
on BLM Input
code for
diagnose