5. Trouble Shooting
ATTENTION: If
a issue occurs
, please do not hesitate to
Advance AutoQuip, distibutor or service agent
.
Please proovide as
much details as possible ie. pictures / photos etc
.
TROUBLES
CAUSE
SOLUTION
Motor does not run and
will not raise
Check power
connection
.
Check and make a good connection.
The motor is burnt
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
.
Tighten it.
The
check
valve
is faulty.
Clean or
replace
it.
Platforms
creeping
down
slowly after being raised
The oil hose leaks.
Check or replace it.
The oil cylinde
r seal is leaking.
Replace the seal.
The valve leaks.
Clean or replace it.
The overflow valve leaks.
Clean or replace it.
Electrical unloading valve leaks.
Clean or replace it.
Raising too slow
The
pickup oil
filter is
blocked
.
Clean or replace it.
Oil level is too low.
Add oil.
The
pressure
valve is not adjusted to the right
position.
Adjust it.
The hydraulic oil is too hot ( above 45°).
Change the oil.
The seal o
n
the cylinder is
worn
.
Replace the seal.
Lowering too slow
The throttle valve
is blocked
.
Clean or replace.
The hydraulic oil is dirty.
Change the oil.
The anti-surge valve
is blocked
.
Clean it.
The oil hose
is faulty
.
Replace it.
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