® Urheberrecht ATH-Heinl GmbH & CO.KG, Alle Rechte vorbehalten / Druckfehler und technische Änderungen vorbehalten / Stand: 2022-04
Produkthersteller ATH-Heinl GmbH & CO.KG
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Problems with lowering
The lift does not lower
Safety notches do not respond Check cable connection
Defective control relay
Check electromagnet, replace if
necessary
Obstacle under stage
Relieve resting by lifting
Hose rupture protection
triggered
Check control relay
Lowering valve is not activated Remove obstruction
The lowering valve solenoid is
defective
Briefly raise the platform and
press "DOWN" again
Lowering valve defective
Check electrical connection
Lowering speed valve
incorrectly set
Replace solenoid
If the fault cannot be rectified, lower the lift using the emergency lowering screw and
contact our service team
Stage lowers too slowly or
jerkily
Dirty lowering valve
Clean the lowering valve
Lowering speed valve
incorrectly set
To adjust
The lift lowers by itself
Leaking hydraulic connections Retighten connections, seal if
necessary
Leaking hydraulic lines
Replace hydraulic line
Leaking hydraulic cylinders
Replace seals and clean the
hydraulic system
Dirty or defective lowering
valve
Clean or replace the lowering
valve
Leaking check valve
Clean or replace
Other problems
The lift does not raise and lower
synchronously
Air in the hydraulic circuit
Vent the hydraulic circuit
Insufficient tension in the
synchronizing ropes
Setting the voltage or the
synchronization
Product shows (severe) rust
damage
Damage or inadequate
corrosion protection,
maintenance if necessary
De-rust, clean and restore the
surface.
unusual volume of the engine
Oil filter contaminated
Clean the oil filter
Air in the hydraulic circuit
Bleed the hydraulic system
Contaminated hydraulic oil
Change the hydraulic oil
Circuit breaker has been
activated
Check the contact on the
contactor
Replace the contactor
Checking the capacity of circuit
breakers
Replace the fuses
Check for damage to the cable Replace the cable
ALWAYS MAKE SURE YOU USE GENUINE PARTS AND ACCESSORIES.