general recommendations - safety - AJ Maskin AS

SHEET DP001FAILURE DETECTION FLOW CHARTNO UP AND DOWN MOVEMENTFROM THE PLATFORM CONTROLSheet 1/2No up and down movement from theplatform controlPlace the movement selectorswitch (SA3) in the position (HS)then in the up position.Check that light indicators HL4 (up)and HL5 (HS) come onOpen the platformcontrol panel andcheckfor 24Vbetween terminals (7)and (4)NOTheLEDs comeonYESNO24Vbetween (7)and (4)YESRepair cabling orreplace switch SA3Open the platform controlpanel and activatethe «fail-safe» and tilt themanipulatorPresenceof setpoint at C4output of printedcircuit U2YESNOCheck the presence of a setpointvalue on input A9 ofprinted circuit U2 and thepresence of 24V on input B5and B13 of printed circuit U2ENDContinuitybetween coils (1) and (2)of the platformcontrol panelNONORenovate cablingbetween terminal C4and output (5) of thecontrol panel or changethe control panel linkwiring harnessENDSee SHEETC004A9 setpointvalue and 24V onB5 and B13YESReplace printedcircuit U2NOYESReplace speedvariator U1ENDChange thecontrol panel linkwiring harnessENDRenovate cabling orchange PB SB2See SHEETC013Replace themanipulatorENDENDEND