Service Manual

SECTION 6 - TROUBLESHOOTING
3121231 – JLG Lift – 6-19
Code 02 - Left PHP Bar - UP
Check For These Obvious Conditions First:
• Obstruction under LEFT pot hole bar.
• Obstruction around the actuator assembly at the base of the mast.
Code 03 - Right PHP Bar - UP
Check For These Obvious Conditions First:
• Obstruction under RIGHT pot hole bar.
• Obstruction around the actuator assembly at the base of the mast.
Table 6-7. Code 02 - Left PHP Bar - UP
STEP ACTION SPEC YES NO
CHECK THE FOLLOWING WITH THE PLATFORM ELEVATED 3 TO 4 FEET (1 TO 1.5m)
1. Go to the 20 pin molex connector at the Ground Control Module, back probe
to check for continuity of pin 10, (BLK # 8 wire ) with pin 2 0, ( ORG/RED 49-
1 wire). Is there continuity?
— Replace Ground
Control Module
Go to Step 2
2. Check the actuator cables for adjustment or damage. — Adjust or Replace Go to Step 3
3. Check the PHP limit switch(s) at both sides of the machine for damage,
adjustment and for continuity through switch to ground when bars are
down.
— Replace, Adjust or
Repair Wiring
—
Table 6-8. Code 03 - Right PHP Bar - UP
STEP ACTION SPEC YES NO
CHECK THE FOLLOWING WITH THE PLATFORM ELEVATED 3 TO 4 FEET (1 TO 1.5m)
1. Go to the 20 pin molex connector at the Ground Control Module, back probe
to check for conti nuity of pi n 9, (BLK # 9 wi re) wi th p in 19, (O RG/RED 49-2
wire). Is there continuity?
— Replace Ground
Control Module
Go to Step 2
2. Check the actuator cables for adjustment or damage. — Adjust or Replace Go to Step 3
3. Check the PHP limit switch(s) at both sides of the machine for damage,
adjustment and for continuity through switch to ground when bars are
down.
— Replace, Adjust or
Repair Wiring
—