SAF-HOLLAND XL-TG10156UD TLV Series Liftgate - Manual (Page 16)

16 XL-TG10156UD-en-US Rev A · 2013-04-18 · Amendments and errors reserved. © SAF-HOLLAND, Inc.
Troubleshooting
PROBLEM POSSIBLE CAUSE RESOLUTION
Platform lowers slowly or does not lower.
Flow control valve incorrectly installed. Check location and direction of arrow on valve.
Electrical connections loose, disconnected or corroded. Check connections and wire condition.
Battery does not have enough voltage to activate
solenoid properly.
Verify voltage and recharge or replace battery.
Ensure that cables are in good condition with
secure connections.
Restriction/blockage of hydraulic hose.
Check hoses for external damage or pinching.
Check for blockages in hoses.
Flow control valve blocked. Clean or replace valve.
Mechanical components seized or damaged.
Lubricate all pivot points and replace all
damaged items.
Incorrect or contaminated oil in system.
Oil should be clean and for the appropriate
geographical climate.
Unit will not lift capacity load.
Hydraulic system not plumbed properly.
Check to see that the hose connected to the ‘A’
port is plumbed to the rod end of the cylinder.
Hydraulic cylinder leaking internally. Replace seals or complete cylinder.
Relief valve setting too low. Adjust relief valve setting.
Hydraulic pump worn. Change worn parts or pump.
Oil expels from reservoir while loading.
Too much oil in reservoir. Ensure level of oil allows displacement of rods.
Wrong flow control fitting.
Check that the number stamped on flow control
valve is correct as per the appropriate schematic.
Motor is not running when lowering platform.
(Power down option only)
Check for power at the "down" coil
Pump will not operate.
Master disconnect switch is turned off Verify the main power is turned on.
Battery does not have enough voltage/current.
Verify voltage and recharge or replace battery.
Ensure that cables are in good condition with
secure connections.
Electrical wiring to pump is loose, disconnected
or corroded
Check wiring to pump.
Remote control switch broken or shorted. Check wiring to switch.
Solenoid switch on pump faulty. Check solenoid switch.
Electrical coupling to trailer not complete
(Tractor/Trailer vehicles only).
Connect coupling.
12. Troubleshooting