JLG X20JP - X600AJ Service Manual - Manual (Page 246)

SECTION 6 - JLG CONTROL SYSTEM
6-30 – JLG Lift – 3121623
EM.R.C.GND
ON The stop button on ground remote control is released.
OFF
The stop button on ground remote control is pressed or the ground remote
control is disconnected
ST12 CLOSED
ON
The pressure switch of outriggers 1 and 2 closes the contact – the outriggers are at
end run and the max pressure valve is opened
OFF
The pressure switch contact of outriggers 1 and 2 is opened – the outriggers are
open, partially open or already closed
ST34 CLOSED
ON
The pressure switch of outriggers 3 and 4 closes the contact – the outriggers are at
end run and the max pressure valve is opened
OFF
The pressure switch contact of outriggers 3 and 4 is opened – the outriggers are
open, partially open or already closed
TEMP ALRM A
Option reserved for some
markets
ON
The temperature external probe reached the maximum value – “A” line of the
temperature probe is closed
OFF
The temperature external probe hasn’t reached the maximum value – “A” line of the
temperature probe is open
TEMP ALRM B
Option reserved for some
markets
ON
The temperature external probe reached the maximum value – “B” line of the
temperature probe is closed
OFF
The temperature external probe hasn’t reached the maximum value – “B” line of the
temperature probe is open
POS.1 ARM
ON The switch of 1-2 arm position is released, contact is close, the 1 st -2 nd arm is open
OFF The switch of 1-2 arm position is pressed, contact is open, the 1 st -2 nd arm is closed
TRACK OPEN
ON
Tracks are in wide position. Widening cylinders switches are pressed, contact is
closed
OFF
Tracks are not in full wide position. Widening cylinders switches are released,
contact is open
FREE Do not consider this signal
EMRG. COMM
ON
The control position key selector for aerial part operation from the ground is
activated (emergency condition)
OFF
The control position key selector for aerial part operation is released (normal
working condition)
MICROROPES
To consider only for
LL20JP - X600AJ
ON
The cables of the extension are OK. The control switch of the cables on extension is
released and the line is closed (normal working condition)
OFF
At list one cable on the extension is out of order. The control switch of the cables on
extension is pressed and the line is open (emergency condition)
START M.TE
ON The ground button for engine start is pressed
OFF The ground button for engine start is released
MOTOR TEMP
To consider only for X20JP
- X600AJ
ON
The engine reached the max functioning temperature (emergency condition – the
engine remains at min)
OFF
The engine maintains the correct functioning temperature (normal working
condition)
X17JP - X20JP - X500AJ - X600AJ