Hyundai Robex 130 SMART Operator's Manual page 68

Hydraulic excavator
Table of Contents

Advertisement

5)
CPU CONTROLLER
LED
Y
R
G
M O
D E
P A
R T
L : R
N O
O B
: 2 1
E X
E R
2 0
0 W
- 3 2
- 3
1 1
0
20W03CD18
6) PROLIX RESISTOR(Option)
Prolix
resistor
CN-19
CN-19B
CN-19A
50073CD45
7)
SERVICE METER
13033CD72
8)
RS232 SERIAL CONNECTOR
45073CD59
(1)
To match the engine torque with the pump absorption torque, CPU
controller varies EPPR valve output pressure, which control pump
discharge amount whenever feedbacked engine speed drops under
the reference rpm of each mode set.
(2)
Three LED lamps on the CPU controller display as below.
LED lamp
G is turned ON
Normal
G and R are
Trouble on CPU or ROM
turned ON
G and Y are
Trouble on serial
turned ON
communication line
Three LED are
Trouble on CPU
turned OFF
controller power
G : green,
R : red,
(1)
This resistor is used to continuous working in case of malfunction of
the CPU controller.
Never connect connector CN-19 with connector CN-19B when
CPU controller is in normal operation.
Normal
Emergency : CN-19 connect with connector CN-19B
(1)
This meter shows the total operation hours of the machine.
(2)
Always ensure the operating condition of the meter during the
machine operation. Inspect and service the machine based on hours
as indicated in chapter 6, maintenance.
(1)
CPU controller communicates the machine data with Lap top
computer through RS232 connector.
Trouble
Y : yellow
: CN-19 connect with connector CN-19A
3-16
Service
-
Change the controller
Check if serial communication
lines between controller and
cluster are disconnected
Check if the input power wire
(24V, GND) of controller is
disconnected
Check the fuse

Advertisement

Table of Contents
loading

Table of Contents