Fayat Group Bomag BW 138 AD-5 Operating Instruction, Maintenance Instruction page 219

Fault Possible cause
Engine has Engine oil level too low
insufficient
Lubrication system leaking
engine oil
pressure
(engine oil
pressure
warning lamp
lights)
The charge Generator speed too low
control light
lights during
operation, the
Generator or regulator defec-
warning
tive
buzzer
sounds
Troubleshooting – Engine faults
Remedy
Check, fill up if necessary
Have the lubrication system
examined by a specialist
Check the generator belt for
tension, replace the belt if
necessary
Have examined by a spe-
cialist
BW 138 AD-5 219