Observation possible cause remedy – Vestil PEL-A series User Manual
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TROUBLESHOOTING QUICK REFERENCE GUIDE
FOR STEEL QUICKLIFTS
Observation
Possible Cause
Remedy
1.)
Power unit does not run when control
is operated.
2.)
Motor hums, platform would not move.
3.)
Unit turns off before reaching the fully
raised or lowered height.
4.)
Over/under temp cutback.
(LED flashes • •)
5.)
Pot high or low signal out of range.
(LED flashes • •• or ••• • or ••• •••••)
6.)
Speed limit pot fault.
(LED flashes • •••)
7.)
Precharge Fault (LED ••• •••)
8.)
Current sense voltage fault
(LED •••• ••)
9)
Motor Clicks
a.
Battery voltage low. (< 17)
(LED flashes • ••••)
b.
Bad wiring connection / broken
wire in circuit.
c.
Hand control's plug loose in the
touchpad socket.
d.
Problem with moror/control (check for
LED flashes code on the touchpad).
e.
Unit is plugged into a 115V circuit.
f.
CB or Fuse Blown
a.
Battery voltage low.
b.
Platform overloaded.
*c.
Chain/Master link broken.
d.
Obstruction/jammed chain.
a.
Battery voltage low.
b.
Platform roller bearing obstructed or is
binding.
c.
The "platform raised" limit switch is
engaged too soon, or is bad
(PEL-400 only).
d.
Platform overloaded.
a.
Temperature > 92°C or < -25°C.
a.
Throttle input wire open or shorted.
b.
Throttle pot defective.
a.
Speed limit pot wire(s) broken or shorted.
b.
Broken speed limit potentiometer.
a.
Controller failure; low battery voltage.
a.
Short in motor or in motor wiring.
b.
Controller failure.
a.
Overloaded deck.
a.
Charge battery.
b.
Visually inspect wires, do continuity
checks with meter. Refer to electrical
diagram.
c.
Push plug in place.
d.
Consult diagnostics page.
e.
Unplug cord.
f.
Reset CB. Replace fuse.
a.
Charge battery.
b.
Check load; reduce if necessary.
c.
Inspect chain, rollers, roller track, and
pulley assembly.
d.
Clear Obstruction.
a.
Charge battery.
b.
Inspect roller track for interference
or damage.
c.
Adjust the limit switch pulley spring's
tension; test switch with meter.
d.
Check load; reduce if necessary.
a.
Check load; reduce if necessary.
a.
Verify wiring not damaged.
b.
Consult factory.
a.
Verify wiring if not damaged.
b.
Consult factory.
a.
Charge battery.
a.
Verify motor wiring.
b.
Consult factory.
BE SURE ALL POWER IS OFF AND ALWAYS UNLOAD LIFT BEFORE ATTEMPTING TO
WORK ON THIS EQUIPMENT!
CAUTION: SERVICE WORK SHOULD BE PERFORMED ONLY BY TRAINED & QUALIFIED PERSONNEL
NOTE:
TOUCHPAD IS NOT SERVICEABLE.
DO NOT OPEN TOUCHPAD OR WARRANTY WILL BE VOID!!!