Vestil ULTT-5448-6-YEL115-1 handleiding
Handleiding
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Warning: Before performing any task under the platform, remove any load, install the maintenance prop and
disconnect the power supply.
Consult the factory for problems at time of installation, or for any problems not addressed below.
TROUBLESHOOTING GUIDE
Problem:
Power unit doesn’t run when “UP” button is
pressed.
Motor runs properly, platform doesn’t move.
Motor and pump not noisy.
Motor or control enclosure hums, chatters,
or buzzes, or some type of squeal can be
heard; the platform does not move, or
the platform moves only slowly..
Platform raises, then drifts down.
Platform lowers too quickly.
Platform lowers too slowly.
Platform won’t lower.
Spongy or jerky platform motion.
Possible Cause(s):
Transformer fuse is blown.
No supply voltage.
Upper-travel limit switch is engaged or bad.
Bad connection in control circuit.
Bad control transformer.
Open motor relay coil.
Battery voltage low (DC units).
Motor rotation is wrong.
Pump has failed.
Fluid level is low.
See second item above, for when platform
doesn’t raise.
Excess voltage drop to motor, due to power
wire size too small, wire run to long, or
incoming voltage too low.
Motor is “single-phasing”.
Pressure relief opening at full pressure.
Contamination holding open the lowering
valve or the check valve.
See last paragraph, above.
See above.
Flow control spool is stuck.
Flow control spool is stuck.
Pinched hose.
Velocity fuse locking (platform only slowly
creeps down).
Velocity fuse locking.
Control transformer fuse blown.
No supply voltage.
Valve solenoid is bad.
Bad connection in control circuit.
Physical blockage of the structure.
Solenoid valve or suction hose screen
plugged.
Excessive air in the hydraulic cylinders.
Action:
Test with meter; replace if bad.
Test with meter. Check fuses, breakers,
and overloads to determine the cause.
Inspect and test switch. Replace if bad.
Test all parts of circuit with meter.
Check for 24 VAC; replace if bad. Test with
meter; replace if bad.
Test with meter. Charge battery if low (is
motor relay LED on?)
Verify motor shaft rotates CCW.
Consult factory for replacement.
Ensure reservoir is filled.
Same as above.
Check power installation for adequacy.
Check incoming voltage
while motor is
running
. Correct problem found.
Determine cause of loss of voltage on one
phase; correct.
Check for structural damage or binding of
the scissor legs, etc. Check for platform
overload condition.
Remove and inspect. Clean per
instructions in this manual.
Same as above.
Same as above.
See below.
Remove plug from FC port; push on flow
spool to ensure it is fully pressed into the
cavity.
Check pressure, supply, and return hoses
for kinks.
Same as for jerky platform motion.
Same as for jerky platform motion.
Test with meter; replace if bad.
Test with meter. Check for cause of power
loss.
Check with multimeter on diode-check
function. (Reading for ohms will not
provide an accurate test of the coil.)
Test all parts of circuit with meter.
Inspect for foreign material or objects that
might block the platform.
Remove and inspect. Clean per
instructions in this manual.
Bleed air per procedure described in this
manual.
Bekijk gratis de handleiding van Vestil ULTT-5448-6-YEL115-1, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Vestil |
| Model | ULTT-5448-6-YEL115-1 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 2373 MB |
