ATH-Heinl Frame Lift 35FZ Manual De Instrucciones página 78

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Lowering Problems
Lifting platform does not lower
If the errors cannot be rectified, lower the lifting platform with the emergency lowering
screw and contact our service team
Platform lowers too slowly or
jerkily
Lifting platform lowers by itself
Other Problems
Lifting platform does not raise
or lower synchronously
Product shows (heavy) rust
damage
Abnormal motor volume
Circuit breaker has been
activated
® Copyright ATH-Heinl GmbH & Co. KG, All rights reserved / Misprints and technical changes reserved / As of: 2021-03
Safety catches do not respond
Defective control relay
Obstruction under platform
Hose rupture protection
triggered
Lowering valve is not activated
Defective lowering valve
solenoid
Defective lowering valve
Valve for lowering speed set
incorrectly
Contaminated lowering valve
Valve for lowering speed set
incorrectly
Leaking hydraulic connections
Leaking hydraulic lines
Leaking hydraulic cylinder
Dirty or defective lowering
valve
Leaking check valve
Air in hydraulic circuit
Synchronising cables not tight
enough
Damage or lack of corrosion
protection, possibly
maintenance
Dirty oil filter
Air in hydraulic circuit
Contaminated hydraulic oil
Check the contact on the
contactor
Check the capacity of circuit
breakers
Check for damage to the cable
ALWAYS USE ORIGINAL PARTS AND ACCESSORIES.
Manufacturer ATH-Heinl GmbH & CO.KG
Check cable connection
Check electromagnets, replace if
necessary
Relieve the catches by lifting
Check control relay
Remove obstruction
Lift the platform briefly and
press "DOWN" again
Check electrical connection
Replace solenoid
Replace
Set
Clean lowering valve
Set
Retighten connections if
necessary
Replace hydraulic line
Replace and clean the seals of
the hydraulic system
Clean or replace the lowering
valve
Clean or replace
Bleed the hydraulic circuit
Adjust the tension or the
synchronicity
Remove rust, clean and restore
surface.
Clean the oil filter
Bleed the hydraulic system
Change the hydraulic oil
Replace the contactor
Replace the fuses
Replace the cable
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