BA 50Z3/6003 en – Edition 4.3 * 5003b320.fm 3-11
Operation
3.6 Indicator lights and warning lights (overview)
Indicator light (red) – hydraulic oil filter
Indicates inadmissibly high pressure in the hydraulic return line to the tank. In this case:
☞ Stop and park the machine.
☞ Have the hydraulic oil return filter checked and, if necessary, replaced by an authorized
workshop.
☞ The indicator light can illuminate briefly if the hydraulic oil is cold, but goes out again
once operating temperature is reached.
Indicator light (red) – air filter
Illuminates if air filter is contaminated.
☞ Stop the machine.
☞ Stop the engine immediately and check the outside and inside filters.
Indicator light (red) – alternator charge function
The V-belt is malfunctioning or there is an error in the charging circuit of the alternator if
the indicator light illuminates with the engine running. The battery is no longer charged.
The coolant pump no longer runs if the V-belt is faulty. Danger of engine
overheating or breakdown.
If the indicator light illuminates with the engine running:
☞ Stop the engine immediately and
☞ Have the cause repaired by an authorized workshop.
Indicator light (red) – engine oil pressure
Illuminates if the engine oil pressure is too low. In this case:
☞ Stop the machine.
☞ Stop the engine immediately and check the oil level.
The indicator light illuminates when the ignition is turned on and goes out as soon as the
engine runs.
Engine error indicator light (red)
Illuminates in case of an engine error – see chapter 4.2 Engine error codes on page 4-5.
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