5 - 22 DPL-25S • DPL-30S • DPL-35S Super Series Part No. 40462
September 2016
Section 5 - Troubleshooting Flow Charts
Chart 9
Platform Will
Not Hold In
Up Position
Be sure manual
lowering cable is
properly adjusted.
Activate the platform up
function while
simultaneously activating
the manual lowering
valve. Test the unit.
platform wont hold up
platform
holds up
On the power unit,
remove the return to tank
hose off the T port fitting
and put it into a bucket
and activate the platfom
up function. Check for
leaking from the hose.
Inspect the hydraulic
system for
contamination.
leaking
Replace or repair both
N.C. down valves.
not leaking
While platform is drifting,
is the motor spinning
backwards?
yes
no
Replace or repair all 3
check valves.The first
and second are located in
each lifting cylinder and
the third is located in the
power unit.
Remove the lifting
cylinders and replace
damaged piston seal OR
contact Genie Industries
Service Department.
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