Pinguely-Haulotte HA20PX, Repair Manual

Page: 169 / 282

BREAKDOWN DETECTION FLOW CHART
Sheet DP067
NO TELESCOPING MOVEMENT (OUT AND/OR IN) FROM
THE PLATFORM (OR TURNTABLE) CONTROL PANEL
Folio 5/6
Maintain the control
activated and check for
12V voltage at terminals
419 (out) and 418 (in) of
the printed circuit
NO
YES
12V
OK
Replace the telescope
switch SA9 (or SA8)
See Fiche
C043 (or
Fiche C044)
END
Repair wiring
END
Open the platform (or turnta-
ble) control panel and check
the wiring of the telescope
switch SA9 (or SA8)
NO
YES
Wiring
OK
Check the electric continuity of
the switch contacts when closed
NO
YES
Continuity
OK
Repair the connection or replace the wiring
harness between the telescope switch SA9
(or SA8) and the printed circuit of the
turntable control panel
END
Replace the U1 module
NO
YES
The fault
persists
Replace the
printed circuit
See Fiche
C063
See Fiche
C058
END
END
Maintain the control
activated and check for
12V voltage at terminals
412 (out) and 411 (in) of
the printed circuit
Platform
telescope fault Turntable
telescope fault
C