2200 YRM 1067 Troubleshooting
Dash Display
Controller LED Handset or PC
AL6 6Flashes VFIELD NOT OK
CONDITION
Voltage measured at field connections is not correct.
TRUCK RESPONSE
Traction and hydraulic functions disabled.
POSSIBLE CAUSES AND TEST PROCEDURES
• Cable connection to motor field is loose or damaged.
Verify connection of field wires to motor and con-
troller.
• Check condition of crimps on wires connecting to F1
and F2.
LOGIC
This fault occurs when the
voltage measured at the field connections
is not the expected value.
Dash Display
Controller LED Handset or PC
AL6 6Flashes I = 0 EVER
CONDITION
Motor current levels do not exceed a preset
minimum value while driving.
TRUCK RESPONSE
Traction and hydraulic function disabled.
POSSIBLE CAUSES AND TEST PROCEDURES
• Damaged or loose electrical connections to traction
motor.
Verify electrical connections between traction motor
and controller.
• Check condition of brushes.
Replace if needed.
• Check condition of commutator.
Stone if necessary.
LOGIC
Occurs if while driving, the
motor current does not exceed a
preset minimum value.
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