8 | Troubleshooting Brielmaier Motormäher GmbH
96 BA Motor mower S250 (Version 2021/09)
8.3 Fault table
Machine faults
Fault description Possible cause Remedy/measures Personnel
Engine does not start Petrol level is too low Adding fuel User
Engine oil level is too low Topping up engine oil User
Battery is not charged Charge the battery User
Fuses defective Replace fuses User
Main switch off Insert main switch and
switch it on
User
Engine switches off on a
slope
Engine oil level is too low Topping up engine oil User
Engine oil enters the air filter If the machine is frequently
operated on slopes, oil from
the crankcase ventilation
system enters the air filter
Install an oil mist separator Specialist dealer
Clean and replace the air
filter
User
Hydraulic oil temperature
too high; drive system and/or
attachment switches off
Cooler dirty Clean the cooler User
Hydraulic oil level is too low Top up hydraulic oil User
Fan defective, blocked or
clogged
Check fan, clean if necessary
or remove blockage
User
Replace defective fan Specialist dealer
Suspected electronic error Cable and/or plug
connections defective or
loose
Check cables and plug
connections, establish
connection if necessary
User
Replace defective cables
and plug connections
Specialist dealer
Set the clutch/brake lever
and/or steering twist handle
parameters
User
Machine drives too slowly Low battery voltage Charge the battery User
V-belt tension not correct Check V-belt tension User
Fine adjustment of the
speed level is not at 100%.
Adjust the speed level User