Pinguely-Haulotte HA20PX, Repair Manual

Page: 114 / 282

BREAKDOWN DETECTION FLOW CHART
Sheet DP023
a
NO MOVEMENT AVAILABLE
(FROM TURNTABLE OR PLATFORM CONTROL PANELS)
A
NO
YES
Movement
OK
NO
YES
LED
on
- Open the turntable control panel
- Press the pedal and activate the boom
lifting manipulator SM31.
- Check that the LED associated with
electrovalve YV1 is on.
Maintain activation of the controls and check
connector YV1 for:
- 12V voltage
- 1A to 1.6A current
END
C
C
NO
YES
12V
OK
Replace the electric wiring
harness between electrovalve
YV1 and the turntable control
panel
Folio 2/5
YES
1A to 1.6A
OK
NO
Replace the coil of
electrovalve YV1
See Fiche
C077 or C108
Replace electrovalve
YV1
END END