BA 50Z3/6003 en – Edition 4.3 * 5003b410.fm 4-3
Troubleshooting
Indicator lights
Seals, hoses
Problem Possible causes Troubleshooting
Engine oil pressure indicator light illuminates during oper-
ation
Oil pressure too low
Switch off the engine immedi-
ately, check the oil level and add
oil if necessary
If oil level is OK, malfunctioning
oil pump (contact an authorized
workshop)
Temperature indicator illuminates or acoustic signal
sounds
Oil level too low Add oil
Coolant level too low Add coolant
Dirty radiator Clean the radiator
Fan blades turn too slowly Retighten the V-belt
Dirty air filter Clean the air filter
Alternator charge function indicator light illuminates dur-
ing operation
Alternator does not charge correctly Retighten the V-belt
Fuel gauge illuminates Not enough fuel Add fuel
Chassis is difficult to slew, or does not slew at all
Brakes cannot be released Contact an authorized workshop
Insufficient lubrication Lubricate the live ring
Malfunctioning slewing motor Contact an authorized workshop
Machine does not work, or with reduced output
Not enough hydraulic oil Add hydraulic oil
Hydraulic oil not warm yet Run the engine warm
Not enough engine output Let the engine run warm
Damaged coupling or pump Contact an authorized workshop
Pressure limiting valves set too low Contact an authorized workshop
Damaged hydraulic rams Contact an authorized workshop
Damaged control valves Contact an authorized workshop
Ram is lowered too fast
Dirty or malfunctioning seals Contact an authorized workshop
Heavy leakage at the spools Contact an authorized workshop
Damaged secondary cartridge Contact an authorized workshop
Hydraulic lines overheat Clogged hydraulic oil filter Clean or replace the filter
Problem Possible causes Troubleshooting
Oil, fuel spots under the engine
Loose hose connection Tighten the hose
Damaged seal or hoses
Replace the seals and hoses,
and check the oil level and add
oil if necessary
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