general recommendations - safety - AJ Maskin AS
general recommendations - safety - AJ Maskin AS
general recommendations - safety - AJ Maskin AS
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SHEET DP062FAILURE DETECTION FLOW CHARTNO TRAVEL MOVEMENT IN BOTH DIRECTIONSFORWARD AND BACKWARDSheet 2/4ARequest a travel movementThetravel movementoperatesYESRaise the platform above1.5m or 4ft92in and check thattheNODisconnect the two coils a and b ofelectrovalve YV2Request a travel movement and check for24VBPothole systemextendsNOSee SHEET DP013YESCheck for 24V on input 24 ofthe speed variator24VpresentNOCheck electric continuity of the wiringharness between the pothole end of stokecontactor (SQ5 and SQ6) and the variator.YESReplace thevariator U1See SHEET C003ContinuitycorrectNOReplace the defective wiringharnessENDYESENDAdjust or replace the defective potholeend of stroke contactor (SQ5 or SQ6)See SHEETC018END
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