Fault finding 5 - 3
Doc.nr : 6611-018
$OZD\VFKHFNWKLV
$OZD\VFKHFNWKLV
• Is there 9'& PD[. 9SHDNWRSHDN supply to the system? Measure at the
crane emergency stop switch ( unloaded and loaded
). See also page 4-6 !!!
• Are the electronicbox fuses whole, i.e. $PS ( Plus ) and $PS ( Ground ) ?
Open electronicbox lid and check.
• Does cable control function ?
• Does the crane work manually, i.e. with the electronicbox power supply switch in
0$18$/position "
• Place switch into 5(027(position.
• Unscrew and remove the (;cable from the electronicbox.
• Remove valve contact '9 from the dump valve.
• Remove valve contacts Nos. to .
• $QVZHULWHP
:KHQDOOWKHVHFRQWDFWVDUHUHPRYHGZKLFK/('VDUHOLWRQWKHHOHFWURQLFER["
7KHIROORZLQJ/('VDUHOLWBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB