Section 3 - Troubleshooting
Electric
114101-000 X26 Ultra Narrow - Service Manual
Page 3-11
3-9 E
LECTRIC
Table 3-7:
Electrical Troubleshooting Table
Component
F
uncti
on
L
o
wer C
o
nt
rols
U
pper Cont
rols
D
ri
ve
For
wa
rd
Dr
iv
e R
e
ve
rs
e
H
igh Sp
eed/
Cree
p
R
a
is
e P
la
tfo
rm
L
o
wer P
lat
form
St
eer Lef
t
St
eer Rig
h
t
D
epression Mecha
n
ism
Extend
D
epression Mecha
n
ism
Retract
Brakes
Level
Al
arm
D
o
w
n
Alarm
Bat
ter
y Ch
arge
ALM
Alarm
X
X
BAT
Batteries
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CHG
Battery Charger
X
F1
5 AMP Circuit Breaker
X
X
X
X
X
X
X
X
X
X
X
X
X
X
F2
175 AMP Fuse
X
X
X
X
X
X
X
X
X
X
X
X
HM
Hour Meter/low Voltage Indicator
I/O
I/O Board
X
X
X
X
X
X
X
X
X
X
X
X
X
X
MC
Motor Control
X
X
X
X
X
X
X
X
X
X
X
X
MOT
Motor
X
X
X
X
X
X
X
X
X
X
R1
Motor Relay
X
X
X
X
X
X
X
X
X
X
R2
Series Parallel Relay
X
X
X
S1
Chassis Emergency Stop Switch
X
X
X
X
X
X
X
X
X
X
X
X
X
X
S2
Chassis Lift Switch
X
X
S3
Chassis Key Switch
X
X
X
X
X
X
X
X
X
X
X
X
X
X
S4
Proximity Switch
X
S5
Height Limit Switch
X
X
S6
Platform Emergency Stop Switch
X
X
X
X
X
X
X
X
X
X
X
X
X
X
S7
Lift/Drive Selector Switch
X
X
X
X
X
S8
Interlock Switch
X
X
X
X
X
X
X
X
S9
Control Handle
X
X
X
X
X
S10
Platform Steering Switch
X
X
SNSR
Level Sensor
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SOL1A
Steering Solenoid (right)
X
SOL1B
Steering Solenoid (left)
X
SOL2A
Platform Lift Solenoid
X
SOL2B
Down Solenoid (Emergency Lowering)
X
SOL3A
Depression Mechanism Extension Solenoid
X
SOL3B
Depression Mechanism Retraction Solenoid (2)
X
SOL4A
Reverse Solenoid
X
SOL4B
Forward Solenoid
X
SOL5
Series Parallel Solenoid (2)
X
X
X