3-5
January 26, 2019
“1530-ED”
Parts and Service Manual
LOGIC DIAGRAM
LOGIC DIAGRAM
4
ECU CONTROLLER
Main processor
6C
System
acti
ve
A8
5A
Pump
acti
ve
C8
4B
Dri
ve
for
w
ard
A7
8B
Dri
ve
re
verse
C6
9C
Pump
speed
0...5V
A9
4C
Dri
ve
speed
0...5V
C4
M
ELECTRIC PUMP
MOTOR
UPPER
CONTROL
BOX
B
1
CAN
HIGH
C1
CAN
LOW
CAN LINE
M
M
ELECTRIC DRIVE
MOTORS
MOTOR
CONTROLLER
C9
Brake Supply (+) R
1B
Brake Supply (+) L
5B
Brake Supply (-) L
24V (+)
Platform down 6A
B+ supply B+
PWM B-negative supply
P-
Platform down C12
Angle transducer 0...5V
B4
Press. transducer 0...5V
C3
Tilt sensor C11
Neg terminal
Platform down
Switch
Angle
trans.
Press
trans.
Tilt
sensor
Brake
LEFT
Brake
RIGHT
Note BRAKES:
impedance of RIGHT brake coil
(error
code
82
if
not
present
or
resistance too low)
present
or
too
low
resistance,
ZAPI
will
not
start
up.