Poweramp LHP Series, Owner & User Manual

Page: 38 / 52

36
4111-0012 — Sept. 2018
© 2018 Systems, LLC
Symptom Possible Cause Solution
Platform rises slowly.
Low hydraulic fluid.
Add fluid, see pages 30-31 for proper fluid level and
type.
Contaminated hydraulic
system.
Clean and inspect valves. Flush contaminated oil
from hydraulic system. Fill system with new oil. See
pages 30-31.
Damage or blocked
hydraulic hose(s) and/or
valve(s).
Replace damaged hose(s). Check and remove
blockage from hose(s) and/or valve(s).
Pressure relief set too low.
Increase pressure relief. See page 32 for instruction.
Note: The pressure relief valve must not be set
at a level that causes the motor operating current
to exceed the full load amp value* at any time,
including when operating in pressure relief.
* The full load amp value can be found on the inside cover of the
control panel.
Pump motor loads down
when platform reaches
the full raised position.
Pressure relief set too high.
Decrease pressure relief. See page 32 for
instruction.
Note: The pressure relief valve must not be set
at a level that causes the motor operating current
to exceed the full load amp value* at any time,
including when operating in pressure relief.
* The full load amp value can be found on the inside cover of the
control panel.
Platform does not rise to
full height.
Low hydraulic fluid.
Add fluid, see pages 30-31 for proper fluid level and
type.
TROUBLESHOOTING