Avant 850
Troubleshoot
129
Troubleshoot
Listed below are possible causes for typical problems. Further engine related causes can be found in the
operator's manual of the engine. In case there is trouble with the operation of the machine, check both
troubleshoot lists and if problem is not solved, contact your nearest service point.
Problem
Possible cause
Remedy
Engine does not crank
Main switch off
Turn on the main switch.
Battery discharged, battery
voltage too low
Check and charge
Blown fuse
Check fuses. If fuse blows again, find out the cause. Contact
service.
Also check the main fuse that is installed in the battery cables.
Battery cables poorly connected
Check battery cables and posts. Clean and retighten, if
necessary.
Engine cranks but does not
start, or starts and stops
immediately
No fuel or wrong type of fuel
Fill the tank with correct type of fuel. Drain water from the fuel
filter. Prime the fuel system, see page 104.
Engine does not get fuel,
clogged fuel filter or fuel line
Drain water from the fuel filter. Prime the fuel system, see page
104.
Make sure that the fuel hoses and fuel filter are clean and not
frozen. Replace fuel filter, clean fuel lines.
Cold ambient temperature
Hold ignition key in glow position long enough. If glow indicator
lamp is lit, allow it to turn off before starting. Extend starting
time up to 5 seconds.
Use correct type of engine oil.
Grid heater faulty
Check fuses and relay.
Auxiliary hydraulics control lever
is in locking position.
Turn the lever in center (neutral) position.
Battery discharged or damaged
Jump start with another battery (See page 126), then charge
the battery or replace if damaged.
Engine overheats
Clogged radiator
Clean radiator and fan from engine side.
Coolant level low
Add coolant.
Leaking cooling system
Check coolant pressure reservoir cap for tightness. Check
cooling system and all hoses and connections.
Hydraulic attachment does
not work when the auxiliary
hydraulics control lever is
moved
Attachment hoses are not
coupled or the multi connector
is not fully locked.
Make sure that the multi connector is properly connected.
Faulty or damaged quick
couplers (will restrict or stop oil
flow)
Replace quick couplers in multi connector.
Operator not seated on driver's
seat
Operator must sit on driver's seat to activate auxiliary
hydraulics. Also, other operating mode can be selected to
operate certain attachments from another control position, see
page 53.
Fault in attachment
Check with another attachment, if possible.
Summary of Contents for Avant 850
Page 1: ...English Operator s Manual 2020 A441827EN 2020 1 2020 www avanttecno com...
Page 128: ...Avant 850 128...
Page 132: ...Avant 850 132 Notes...
Page 133: ...Avant 850 133 Notes...