Steering wheel return is too low or too forceful when driving.
• Incorrect caster value - adjust.
• tyres with irregular wear on both walls: incorrect pressure - under-inflated.
• tyre with irregular wear in the centre of the thread: incorrect pressure - over-inflated.
• tyre wear with stepped profile: shock absorber nor working properly.
• tyres on the same axle with irregular wear on a single wall: toe values are out of tolerance.
• only one tyre on the same axle with an irregularly worn wall: camber out of tolerance.
• Adjust total toe to the manufacturer's specifications.
• Set the left and right front toe values so that they are identical.
• Remove the steering wheel from the steering column and move it to the correct position; if the
steering wheel has adjustment slots, use them.
• Before making any adjustments start the engine, turn the steering wheel to full lock in both
directions, position it in the centre of its turning range and immobilize it.
• With the exception of vehicles for which manufacturer's specifications indicate adjustment with the
engine running only, the engine can be switched off or left running during adjustments, as preferred.
Vehicles with hydro-pneumatic or intelligent suspension systems.
• Adjust the vehicle with the engine running and the suspensions for normal driving road
clearance.
• Even if the rear axle is fixed, measure the relative values to pick up on possible misalignment;
now adjust the front left and right half-toes with respect to the thrust axis in order to eliminate
the problem of a misaligned steering wheel.
Mains voltage incorrect or not present.
• Check the electrical plant and hook up the machine correctly.
Plug inserted in the wrong socket.
• Connect the plug properly.
One of the power fuse has blown.
• Renew the fuse.
Incorrect power supply voltage.
• Set the power supply voltage jumper to the correct position, check also the power supply of the
transformer.
Power switch at back of monitor is set to off.
• Set the monitor power switch to ON.
Tyre wear.
Vehicles with just one register.
Adjusting vehicle with power steering.
Vehicles with fixed rear axle.
TROUBLE SHOOTING
The machine shows no signs of life
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