12
Installation, Operation and Parts Manual
AutoLift AL-6254
TROUBLE SHOOTING
ATTENTION: If the trouble could not be fixed by the troubleshooting guide, please do not hesitate to contact us for help .We will
offer our support and service at the earliest possible time. Please email supporting and detailed or pictures to us.
TROUBLES
CAUSE
SOLUTION
Abnormal noise
Abrasion exists on insider surface of the posts.
Grease the inside of the post.
Trash in the post.
Clear the trash
Motor does not run and
will not rise
The wire connection is loose.
Check and make a good connection.
The motor is blown.
Replace it.
The limit switch is damaged or the wire connection is loose.
Connect it or adjust or replace the limit
switch.
Motor runs but will not
raise
The motor run reversely.
Check the wire connection.
Overflow valve is loose or jammed.
Clean or adjust it.
The gear pump is damaged.
Replace it.
Oil level is too low.
Add oil.
The oil hose became loose or dropped off.
Tighten it.
The cushion valve became loose or jammed.
Clean or adjusts it.
Carriages go down
slowly after being
raised
The oil hose leaks.
Check or replace it.
The oil cylinder is not tightened.
Replace the seal.
The single valve leaks.
Clean or replace it.
E‐magnetic valve fails to work well.
Clean or replace it.
Steel cable is loose or not with same tightness
Check and adjust the tightness.
Raising too slow
The oil filter is jammed.
Clean or replace it.
Oil level is too low.
Add oil.
The overflow valve is not adjusted to the right position.
Adjust it.
