3.4 Frame and traction system: what to do if. . .
The traction motor doesn’t work properly
1. The machine is switched off ⇒ Switch on the machine.
2. The machine doesn’t switch on ⇒ Check the proper section (see section 3.1
at page 10).
3. The display shows an alarm mes-
sage
⇒ Check what alarm message is
shown and solve the related issue
by following the proper instructions
(see section 6.6.1 at page 49).
4. The operator is not sitting on the
seat
⇒ The operator must sit on the seat.
5. The operator is sitting on the seat ⇒ Check and / or replace the deadman
seat microswitch (see section 5.1.6 at page
23).
6. The pedal is not pressed ⇒ Press the pedal depending on the re-
quired speed.
7. The pedal is pressed ⇒ Check and / or replace the traction
pedal (see section 5.1.6 at page 23).
8. The traction motor is not supplied ⇒ Check the power connections of the
motor.
9. The traction motor carbon brushes
are worn out
⇒ Replace the carbon brushes (see section
9.4.4 at page 68).
10. The traction motor is supplied but
it doesn’t work
⇒ Replace the motor (see section 5.4.4 at page
30).
11. The electrobrake doesn’t disengage ⇒ Check the connections of the electro-
brake.
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