JLG LSS Verticals Operator Manual - Manual (Page 18)

SECTION 2 - SERVICE PROCEDURES - LOAD SENSING SYSTEM
2-10 – JLG Lift – 3124289
STEP ACTION SPEC YES NO
2. Perform adjustment procedures (Section 2.2, LSS - Setup And
Adjustment). Reload platform to rated capacity, is system still indi-
cating an overload condition?
– Go to Step 3 Done
3. Check continuity between Ground Control Module - P2 connector -
Pins 4 and 13. Is there continuity?
Replace Ground
Control Module
Go to Step 4
4. Check continuity from Limit Switch Terminal 22 to the Ground Con-
trol Module - P2 Connector - Pin 4. Is there continuity?
Go to Step 5 Repair or Replace
Wiring
5. Check continuity from Limit Switch Terminal 21 to the Ground Con-
trol Module - P2 connector - Pin 13. Is there continuity?
Readjust or
Replace Limit
Switch
Repair or Replace
Wiring
Table 2-5. Troubleshooting - Machine Indicates (Possible False) Platform Overload Condition -
(Drivable Vertical Lifts)