JLG DVSP Series Service Manual - Manual (Page 142)

SECTION 6 - TROUBLESHOOTING
6-28 – JLG Lift – 3121136
Codes 41 thru 46 - OSS - Sensor 1 through 6 - Fault Condition
Check For These Obvious Conditions First:
• Is there an obstruction under the sensor showing the fault?
• Is the faulted sensor mounted properly and securely to the platform base frame?
12. At the Ground Control Module (P-4 connector) check voltage
between pin-8 and pin-2, place positive (+) lead on pin-8.
24V (DC)
Repair or
Replace, Junc-
tion Box to
Ground Control
Module
Wire Harness
Replace Ground
Control Module
Table 6-36. Codes 41 thru 46 - OSS - Sensor 1 through 6 - Fault Condition
STEP ACTION SPEC YES NO
1. Is machine equipped with an OSS system?
— Got to Step 4 Go to Step 2
2. At the Ground Control Module, enter programming mode and view if
OSS is enabled. Is OSS enabled?
X = No Go to Step 3
Replace Ground
Control Module
3. In Service Level Programming mode, Disable Obstruction Senor
System.
X=No — Go to Step 4
4. Replace the sensor showing the fault. Does this correct the prob-
lem.
— Done Go to Step 5
5. Replace the complete OSS system, module and sensors.
— — —
Table 6-35. Code 40 - OSS - No Communication with Ground Control Module (Continued)
STEP ACTION SPEC YES NO