Wacker Neuson Telehandler TH412 Operator's Manual page 329

Error/malfunction Possible cause
Engine radiator is dirty
Coolant level too low
Malfunctioning thermostat
Engine overheats Insufficient V-belt tension
Malfunctioning fan blade drive
Oil level too low or too high
Air in the cooling system
Continuous operation of the hydraulic connec-
tions is switched on and operates against
pressure
Engine does not have
Dirty air filter
enough output
Incorrect type of fuel
Engine speed too low
BA TH412 * 06/2017 * 4512_8_Stoerungen_en.fm
Remedy
Cleaning
Add coolant
Take the machine to a service center
Tensioning the V-belt
Take the machine to a service center
Adjust the oil level
Bleed the cooling system
Switch off continuous operation of hydraulic
connections
Replacing the air filter
Change the fuel
Have it adjusted
Malfunctions 8
8-3