Pinguely-Haulotte HA20PX, Repair Manual

Page: 176 / 282

BREAKDOWN DETECTION FLOW CHART
Sheet DP069
MACHINE TRAVEL SPEED
DOES NOT CORRESPOND TO THE SELECTOR
12V OK
NO
YES
A
Replace the electrovalve coil
See Fiche
C059
END
- Place the key switch in the platform position.
- Place the speed selector in the «High speed» position.
- Press the pedal and make a forward travel movement.
- Check for 12V voltage at the terminals of the connector
of the electrovalve concerned (YV10 and YV12).
- Open the turntable control panel.
- Press the pedal and make a
forward travel movement.
- Check for 12V on the terminals of
the printed circuit associated with
the electrovalve concerned:
•
814A for YV10
• 814B for YV12
12V OK
NO
YES
END
Replace the wiring harness
between the turntable control panel
and the electrovalve concerned
(YV10 and YV12)
Replace the U1 module
See Fiche
C058
The fault
persists
YES
Replace the printed circuit
See Fiche
C063
END
C
NO
END
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