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E2 BAD LIFT POT
Condition for error detection
Failure on the P4 lifting potentiometer in the fingertips / joysticks group.
Check the voltages on the potentiometer at rest
Enter the TESTER function in the menu MAT. HANDLING and check the LIFTING POT and
LIFTING SWITCH parameters.
Conditions of rest:
- LIFTING POT = 2,5 ± 0,2 V
- LIFTING SWITCH = OFF
If the conditions of rest are different the potentiometer could be mechanically jammed or defective.
Check:
• exchange the lifting potentiometer with the tilting potentiometer (fingertips version) and verify the
correct operation through console
• exchange the lifting potentiometer with the sideshift potentiometer (joystick version) and verify the
correct operation through console
If the alarm persists replace the logic unit.
E3 BAD TILT POT
Condition for error detection
Failure on the P5 tilting potentiometer in the fingertips / joysticks group.
Check the voltages on the potentiometer at rest
Enter the TESTER function in the menu MAT. HANDLING and check the TILTING POT and TILTING
SWITCH parameters.
Conditions of rest:
- TILTING POT = 2,5 ± 0,2 V
- TILTING SWITCH = OFF
If the conditions of rest are different the potentiometer could be mechanically jammed or defective.
Check:
• exchange the tilting potentiometer with the lifting potentiometer (fingertips version) and verify the
correct operation through console
• exchange the tilting potentiometer with the 4th way potentiometer (joystick version) and verify the
correct operation through console
If the alarm persists replace the logic unit.
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