35
4111-0044 — June 2021
© 2021 Systems, LLC
Symptom
Possible Cause
Solution
Platform does not rise to
full height.
Low hydraulic fluid.
Add hydraulic fluid, see pages 28-29 for proper fluid
level and type.
Platform does not rise.
Faulty spool valve.
Remove and clean spool valve, or replace with new
valve.
Lip does not extend.
“C” coil not energized.
Check power to the solenoid coil; coil should have a
magnetic pull when energized.
Faulty spool valve.
Remove and clean spool valve, or replace with new
valve.
Lip does not lower.
“C”, “D” and “E” coils not
energized.
Check power to the solenoid coils; coil should have
a magnetic pull when energized.
Faulty spool valve.
Remove and clean spool valve, or replace with new
valve.
Platform does not
lower. Pump operates in
pressure relief mode.
“D” and “E” coils not
energized.
Check power to the solenoid coil; coil should have a
magnetic pull when energized.
Faulty spool valve.
Remove and clean spool valve, or replace with new
valve.
Leveler does not side
shift, or is difficult to
move.
Debris in roller track.
Remove debris from the track.
Grease cam rollers.
Leveler does not side
shift hydraulically.
Diverter coil not energized.
Check power to the solenoid coil; coil should have a
magnetic pull when energized.
Faulty spool valve.
Remove and clean spool valve, or replace with new
valve.
Side Shift coil not energized. Check power to the solenoid coil; coil should have a
magnetic pull when energized.
Faulty spool valve.
Remove and clean spool valve, or replace with new
valve.
TROUBLESHOOTING
Technical Service at 800-643-5424 or techservices@loadingdocksystems.com
If additional troubleshooting assistance is required, contact Systems, LLC
Technical Services with equipment serial number or customer order number (CO#).
Summary of Contents for RCR Series
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Page 38: ...36 4111 0044 June 2021 2021 Systems LLC PARTS Platform Hydraulic Hoses C A G F E D B H ...
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