PLS Access ACC-1150, Instruction Manual

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Extension legs not free from stow bolts Power lift UP to higher position
Lack of lubrication Lubricate moving parts
End stops loose Tighten end stops
Extension pipe / hose catching in platform Reposition hose / pipe
Platform Extension will not
retract
Extension pipe / hose catching in platform Reposition hose / pipe
Extension legs hitting stow bolts Power lift UP to higher position
Lack of lubrication Lubricate moving parts
Extension pulled out to hard, End stops
jammed on rollers
Reset, Replace extension end stops
Ramp will not deploy Lack of lubrication Lubricate pivot sand moving parts
Ramp damaged Replace
Cylinder failure Replace
Air in Cylinder Bleed out air in cylinder
Bridge Plate operation not
operating smoothly / noisy
Lack of lubrication Lubricate pivot sand moving parts
Bridge plate parts damaged Replace damaged parts
Bridge plate not touching
vehicle floor
Push rod position incorrect Adjust toggle joints or adjustable crank
Cam & Crank slipped Reset, Replace Cam & Cranks
Bridge plate not lifting to
vertical position when
lowering lift
Bridge plate compression springs force to
low
Adjust spring collars
(do not bottom out springs)
Bridge plate not lifting to
vertical position when
powering lift out of box
Torsion bars twisted / broken Replace Torsion Bars
Lift platform jamming on
arms when powering UP
Incorrect operation due to Under stowing
extension
Lower lift and retract extension
Handrail rattling / loose Handrail pins loose or missing Reset, Replace pins
Handrails not locking
when raised up
Handrail damaged Replace
Handrail lock out of adjustment Readjust Handrail Lock
Auxiliary hand pump not
working
Air in system Bleed out air, open manual override
valve and pump hand pump 10 times,
close and try again
Problem Fault Solution
Lift not operating Circuit breaker or fuse tripped Reset circuit breaker or replace fuse
Cab switch not turned on Turn cab switch on
Door switch sticking Lubricate and free switch
Low voltage Charge battery
Poor earth Check battery cables & earth points
Corrosion on crimped cables Re-crimp cables and clean corrosion
Loose power-pack electrical connections Check electrical connections
Handset failure Replace handset
Lift stuck in box Box lock not fully disengaged Make sure lock handle is pulled fully up
Lift is pressurized up in box Press Down on handset to lower lift or
open the down valve to release
pressure
Box grounded and damaged underneath Repair / replace box
Lift not powering IN Motor cut-off switch (In switch) Check switch adjustment & lubricate
Umbilical damaged Replace umbilical cable
Carriage solenoid failure Replace solenoid
Motor failure Replace motor
Carriage lock not lowering correctly Check & readjust carriage lock stowing
Carriage lock switch failure Check switch adjustment & lubricate
Lift not powering OUT Lift Up switch (Out switch) Check switch adjustment & lubricate
Umbilical damaged Replace umbilical cable
Carriage solenoid failure Replace solenoid
Motor failure Replace motor
Loose carriage electrical connections Check plugs, sockets & pins
Lift not powering UP Low oil Add PLS Blue Hydraulic oil
No pump pressure Check and readjust pressure relief
Hose burst Replace
Lift Up switch (Out switch) Check switch adjustment & lubricate
Manual release left open Close manual override
Down valve stuck open (contamination) Remove / clean and replace
Low voltage Charge battery
Lift not lowering DOWN Contamination in PC Burst valves Replace PC burst valve set
Crash vales locked (cold weather) Readjust crash valve gap
Down valve not opening due to low voltage Charge battery
Down valve sticking (contamination) Remove / clean and replace
Down valve coil failure Check / replace
Problem Fault Solution
Platform Extension will not
extend
Handrails not raised up Raise up handrails into locked position
12
TROUBLESHOOTING
12.1 Troubleshooting Instructions