JLG 3246ES Service Manual - Manual (Page 158)

SECTION 6 - DIAGNOSTIC TROUBLE CODES
6-6 – JLG Lift – 3121166
009 DRIVE PREVENTED - ELE-
VATED ABOVE DRIVE
CUTOUT HEIGHT The platform is elevated above
the calibrated cutout height. • Check that the elevation angle sensor is securely
mounted.
• Check the ANALYZER -> MACHINE SETUP -> MARKET
configuration.
• If MARKET is set to Japan, ensure ANALYZER ->
MACHINE SETUP -> DRIVE CUTOUT parameter is set as
desired.
2-1 Power-Up
DTC FAULT MESSAGE DESCRIPTION CHECK
211 POWER CYCLE This help message is issued at
each power cycle. Displays on
the analyzer only. Normal operation. No check necessary.
212 KEYSWITCH FAULTY Both platform and ground
modes are selected simultane-
ously. Defaults to ground mode. • Check key switch function.
• Backprobe J2-3 with the keyswitch in the ground
position. Voltage should be under 6V. Otherwise, key-
switch or wiring faulty.
• Backprobe J2-4 with the keyswitch in the platform
position. Voltage should be under 6V. Otherwise, key-
switch or wiring faulty.
• Check key switch wiring to ground board J2-3 and J2-
4 and to emergency stop switch.
• Replace ground board.
2-2 Platform Controls
DTC FAULT MESSAGE DESCRIPTION CHECK
221 FUNCTION PROBLEM -
HORN PERMANENTLY
SELECTED The horn switch was closed dur-
ing power-up in platform mode. • Check if the horn switch is damaged, obstructed or
jammed.
• Disconnect the horn switch ribbon cable on the plat-
form board. If DTC still present, replace the platform
board. If DTC 221 is no longer present, replace the
horn switch or platform board.
222 FUNCTION PROBLEM -
INDOOR / OUTDOOR
PERMANENTLY
SELECTED The indoor / outdoor (zone A /
zone B) switch was closed dur-
ing power-up in platform mode. • Check if the indoor/outdoor (zone A / zone B) capacity
switch is damaged, obstructed or jammed.
• Replace platform board.
223 FUNCTION PROBLEM -
DRIVE & LIFT ACTIVE
TOGETHER The drive and lift inputs are
closed simultaneously in plat-
form mode. • Check drive/lift switch for visible damage.
• Check switch continuity. There should only be conti-
nuity from the center post to one of the outer posts at
a time. Otherwise, replace the switch.
• Check drive/lift switch signal and wiring to the plat-
form board. Its input (0V) is from platform board ter-
minal J1-11. "Lift" selection output (0V when selected)
is to platform board terminal J1-9. "Drive" selection
output (0V when closed) is to platform board terminal
J1-10.
• Replace platform board.
0-0 Help Comments
DTC FAULT MESSAGE DESCRIPTION CHECK