Code 27 - auxiliary #2 - disconnected, Code 28 - reserved, Code 29 - reserved – JLG SSV10 Service Manual User Manual
Page 114: Code 27 - auxiliary #2 - disconnected -22, See table 6-28, Ge 6-22, 22 code 28 - reserved, 22 code 29 - reserved
SECTION 6 - TROUBLESHOOTING
6-22
– JLG Lift –
3121187
Code 27 - Auxiliary #2 - Disconnected
Check For These Obvious Conditions First:
• Is machine equipped with a component on the Auxiliary #2 circuit.
Code 28 - RESERVED
Code 29 - RESERVED
Table 6-28. Code 27 - Auxiliary #2 - Disconnected
STEP
ACTION
SPEC
YES
NO
1.
Is machine equipped with a
component on the Auxiliary #2 circuit
.
—
Go to Step 3
Got to Step 2
2.
At the Ground Control Module enter the programming mode, check
if the Auxiliary #2 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-8 and pin-1. Is reading within specification?
2 - 4 V DC
Replace Ground
Control Module
Go to Step 4
4.
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.
—
Replace the
Component
Repair or
Replace Wiring