Trouble shooting
BOMAG 99BMP 8500
6.3 Problems with remote con-
trol Hetronic with spiral ca-
ble
Fault Possible cause Remedy
Engine stops without
any reason
Engine oil pressure too low or en-
gine oil pressure switch defective
(does the oil pressure controol
lamp light up while the engine is
running?)
Check engine oil level or oil pressure
switch
Battery Check battery terminals for tight fit (inter-
mittent contact?)
Check the main battery switch
Replace the battery
Emergency stop push button Switch operated? Display off, pull button
out
Switch defective? replace
Fuses F 54, F 67, F 103 defective Replace the fuses (may be damaged by
vibration)
Toggle switch cable/radio S101 Check plug connections, bridge switch for
testing
Relay K 11 Replace the relay
Check the plug connections in the relay
base
Spiral cables Check the continuity of the individual ca-
bles
Check the cables for short circuit to the
housing
Replace the cables
All wiring looms Check all wiring looms for intermittent
contact, to do so wobble all cables while
the engine is running, especially close to
the plug connections
Check also the plug connections on the
regulator and the ground cable between
engine and frame.
Transmitter Replace the transmitter
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