JLG X500AJ Operator Manual User Manual
Page 134
SECTION 6 - GENERAL SPECIFICATIONS AND OPERATOR MAINTENANCE
6-24
– JLG Lift –
3121636
p
p
p
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)