JLG SSV10 Service Manual - Manual (Page 113)

SECTION 6 - TROUBLESHOOTING
3121187 – JLG Lift – 6-21
Code 25 - Auxiliary #1 Circuit - Disconnected
Check For These Obvious Conditions First:
• Is machine equipped with a component on the Auxiliary #1 circuit.
Code 26 - Auxiliary #2 - Short Circuit
Check For These Obvious Conditions First:
• Damaged wiring in the Auxiliary #2 Component wiring harness or a damaged Component.
Table 6-26. Code 25 - Auxiliary #1 Circuit - Disconnected
STEP ACTION SPEC YES NO
1. Is machine equipped with a component on the Auxiliary #1 circuit .
— Go to Step 3 Got to Step 2
2. At the Ground Control Module enter the programming mode, check
if the Auxiliary #1 open circuit detection is enabled. Default = NO Disable It
Replace Ground
Control Module
3. Check voltage at the P1 connector on the Ground Control Module
between pin-9 and pin-2. Is reading within specification? 2 - 4 V DC
Replace Ground
Control Module
Go to Step 4
4. Remove the wire terminals at the Aux. #1 component, check conti-
nuity of each of the wires from pins-9 and 2 on the P1 connector to
the Aux. #1 component.
—
Replace the
Component Repair or
Replace Wiring
Table 6-27. Code 26 - Auxiliary #2 - Short Circuit
STEP ACTION SPEC YES NO
1. At the Ground Control Module, P1 connector, check the voltage
across pins-8 and 1 to the Aux. #2 component. Is reading within
specification?
0 - 2V DC Go to Step 2
Replace Ground
Control Module
2. Remove the wire terminals at the Aux. #2 component, check conti-
nuity of each of the wires from pins-8 and 1 on the P1 connector to
the Aux. #2 component end.
—
Replace the
Component Repair or
Replace Wiring