Rev:11.08.19 Page 104 CCD-0001573-08
Problem Probable Cause Corrective Action
Jacks will not extend to ground,
pump is running.
Little or no fluid in reservoir. Fill reservoir with Dexron III ATF.
Leg valve is inoperative. Clean, repair or replace.
Electronic signal is lost between
switch and leg valves.
Trace wires for voltage drop or loss
of signal. Repair or replace necessary
wires or replace switch.
Any one or two jacks will not retract.
Hose damaged or not connected. Replace with new hose or reconnect.
Return valve is inoperative. Replace inoperative return valve.
Electronic signal is lost between
switch and solenoid.
Attempt to retract jacks in manual
mode, if successful replace control
pad; if not, test voltage drop.
Electronic signal is lost between
switch and leg valve.
Repair bad wiring or replace
defective board or valve.
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