Maintenance and Care
Maintenance and Care
Maintenance and Care
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Faults <strong>and</strong> fault rectification<br />
9.2 General trouble shooting on the machine<br />
Entire machine will not move. Diesel engine will not run. Start diesel engine. In the event of a fault, see „Trouble Shooting<br />
Engine“.<br />
Armrest not closed. Close armrest.<br />
Armrest switch inoperable. Check armrest switch, replace as required.<br />
Main fuse / fuses burned out. Check fuses <strong>and</strong> replace.<br />
No or insufficient hydraulic oil in the system. Top up hydraulic oil. Vent pumps.<br />
No pilot pressure. Clean supply pressure filter.<br />
Diesel engine speed too low Increase speed. When machine is cold or in emergency gas<br />
mode, max. speed is 1450 rpm.<br />
No LS pressure. Measure LS pressure. Check LS pressure lost.<br />
Traction drive inoperable Fully retract traction drive fine control. Run up fine control.<br />
Fuse burned out. Replace fuse.<br />
Control inoperable. Read off fault from display; check connections, replace any<br />
defective parts.<br />
Leak in system. Fix leak.<br />
Brakes do not disengage. Inadequate brake pressure, check BR solenoid valve <strong>and</strong> power<br />
supply to the support block.<br />
Wheel gear uncoupled. Couple wheel gear.<br />
Traction drive pump does not swivel out. Check release solenoid at traction drive pump.<br />
Support will not move. Fuse burned out. Replace fuse.<br />
CAN bus inoperable. Read off fault from display; check connections, replace any<br />
defective parts.<br />
LS solenoid valve on support block will not<br />
switch.<br />
Check solenoid valve <strong>and</strong> power supply.<br />
Certain solenoid valves on support block will<br />
not switch.<br />
Check solenoid valve <strong>and</strong> power supply.<br />
No LS pressure. Measure LS pressure. Rectify LS pressure lost.<br />
Bucket will not move. Steering switch to steering. Set steering switch to bucket position. (Switch off)<br />
Changeover valve piston jams (clogged). Remove changeover valve, strip down <strong>and</strong> clean.<br />
Changeover valve corroded. Replace changeover valve.<br />
Steering inoperable. Steering switch off Turn on steering switch.<br />
Changeover valve will not switch. See „Changeover valve will not switch“.<br />
Changeover valve corroede. Replace changeover valve.<br />
Fuse burned out. Replace fuse.<br />
Page 184 www.menzimuck.com
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