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11.14 EN
9 Troubleshooting
9.1 Automatic Emergency Brake
The automatic emergency brake is activated if an error occurs in one of the following
components during operation:
– Brake pedal
– Pressure sensor in the brake system
– Magnetic coil in the service brake or parking brake
Emergency braking initiates the following sequence:
– The brakes are activated and the truck decelerates sharply
– STOP flashes on the multifunction display
– An error code appears in the multifunction display
If the emergency brake is activated, the truck can be moved to a safe location by
activating emergency mode (see Activating Emergency Mode on page 124 and
Travel in Emergency Mode on page 125). This does not apply, however, if the error
is in the magnetic coil for the parking brake, in the earth connection for the brake
pedal or in the pressure sensor. If one of these components is faulty, the truck cannot
be driven and must be repaired by a qualified specialist as soon as possible.
Activation of Emergency Mode
Requirements
– The automatic emergency brake is activated due to a serious error (see Automatic
Emergency Brake on page 123).
Z Emergency mode cannot be activated for certain serious errors.
Procedure
• Press the "F4" button until the multifunction display shows LIMP HOME
(emergency mode).
• Activate emergency mode with the "F3" button. When emergency mode is
activated, the menu disappears over the row of function keys.
ESC F1 F2 F3 F4 F5
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