25
4111-0068 — Oct. 2018
© 2018 Systems, LLC
Symptom
Possible Cause
Solution
Barrier raises very
slowly.
Low hydraulic fluid.
Add fluid, see page 18 for proper fluid level and
type.
Pressure relief valve set too
low.
Adjust pressure relief.
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.
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).
Barrier bounces while
lowering.
Down speed control valve
(page 21) set too fast.
Adjust valve, see page 21 for adjustment
instructions.
Amber light does not
turn on.
Blown bulb.
Replace.
Amber light does not
turn off when arm stores
vertically.
Upper limit switch not
operating.
Adjust or replace switch.
Amber light does not
turn off when arm stores
horizontally.
Lower limit switch not
operating.
Adjust or replace switch.
Technical Service at 800-643-5424 or [email protected]
If additional troubleshooting assistance is required, contact Systems, LLC
Technical Services with equipment serial number or customer order number (CO#).
TROUBLESHOOTING
