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Eclipse Combustion F8000 Series Service/ Instructions d'exploitation Page 44

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TABLE [4-2]: TROUBLESHOOTING GUIDE
FUNCTION SYMPTOM POSSIBLE CAUSE REMEDY
4-4
Raise
Platform
Platform
does not
raise when
UP button
is pressed.
No pump
motor spin
noise is
emitted by
Hydraulic
Pump Unit.
Hydraulic Pump Motor
electrical connectors not
connected properly.
Verify proper connection of Hydraulic
Pump Motor electrical connectors.
RAISE/LOWER switch failure. Replace RAISE/LOWER switch.
Pump Contractor (CRPMP)
failure.
Replace Pump Contractor (CRPMP).
Hydraulic Manual Release
Valve is open.
Close Manual Release Valve fully.
Hydraulic hose not properly
connected to hydraulic
cylinder.
Verify proper connection of hydraulic
hose to cylinder (hydraulic Quick-
Connect).
Obstruction of Flow Control
Valve.
Flush hydraulic system.
Down Solenoid Valve failure. Replace Down Solenoid Valve.
Contamination of Hydraulic
Manual Back-Up Pump.
Flush hydraulic system.
Hydraulic Pump failure. Replace Hydraulic Pump unit.
Platform
does raise
when UP
button is
pressed,
but immed-
iately starts
to lower
after UP
button is
released.
Hydraulic Manual Release
Valve is partially open.
Close Manual Release Valve.
Down Solenoid Valve failure. Replace Down Solenoid Valve.
Contamination of Hydraulic
Manual Back-up Pump.
Flush hydraulic system.
Hydraulic Pump Unit failure. Replace Hydraulic Pump unit.
Deploy Lift will not
deploy.
Manual release handle is not
disengaging.
Lift may be stowed too high. Re-adjust
stow level.
Lift will not pull out and
manual release handle
disengages.
Lift may not be resting on stow level
studs. Raise Lift enough to deploy.
Lift does
not stow.
Deploy Lock Handle will not
disengage.
Check for obstructions and ensure that
there is nothing forcing the lift in while
unlocking the Deploy Lock.
END OF TABLE
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