CODES ERROR 320LC-7.1.pdf

7/24/2019 CODES ERROR 320LC-7.1.pdf

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5-24

GROUP 12 MONITORING SYSTEM

1. OUTLINE

Monitoring system consists of the monitor part and switch part.

The monitor part gives warnings when any abnormality occurs in the machine and informs thecondition of the machine.

Various select switches are built into the monitor panel, which act as the control portion of the machine

control system.

2. CLUSTER

MONITOR PANEL

)

RPM display

CPU controllercheck warning lamp

Power max pilot lamp

Preheat pilot lamp

Warming up pilot lamp

Decel pilot lamp

Fuel gauge

Engine coolant temp gauge

Engine oil pressure warning lamp

Hyd oil temp gauge

Coolant level warning lamp

Battery charging warning lamp

Overload warning lamp

Clock display

Auto deceleration switch

Power mode switch

Travel speed switch

Select switch

Work mode switch

User mode switch

Buzzer stop switch

Air cleaner warning lamp

30075MS01



5-25

CLUSTER CHECK PROCEDURE

Start key : ON

Check monitor initial 5 seconds

All lamps light up.

Buzzer sound.

Check monitor after 5 seconds : Indicate cluster version and machine condition

Cluster program version :1.00 Indicates program version1.00for 5 seconds.

Tachometer : 0rpm

Fuel gauge : All light up below appropriate level

Hydraulic temperature : All light up below appropriate level

Engine coolant temperature gauge : All light up below appropriate level

Warning lamp

During start key ON the engine oil pressure lamp and battery charging lamp go on, but it is not

abnormal.

When engine coolant temperature below 30C, the warming up lamp lights up.

Indicating lamp state

Work mode selection : General work

Power mode selection : S mode

User mode selection : No LED ON

Auto decel LED : ON

Travel speed pilot lamp : Low(Turttle)

Start of engine

Check machine condition

Tachometer indicates at present rpm

Gauge and warning lamp : Indicate at present condition.

When normal condition : All warning lamp OFF

Work mode selection : General work

Power mode selection : S mode

User mode selection : No LED ON

Auto decel LED : ON

Travel speed pilot lamp : Low(Turttle)

When warming up operation

Warming up lamp : ON

10 seconds after engine started, engine speed increases to 1000rpm(Auto decel LED : ON)

Others same as above

When abnormal condition

The lamp lights up and the buzzer sounds.

If BUZZER STOP switch is pressed, buzzer sound is canceled but the lamp light up until

normal condition.

2)

1)

a.

b.

a.

b.

c.

d.

e.

f.

(2)

a.

b.

c.

d.

e.

f.

g.

a.

b.

a.

b.

a.

b.

c.

d.

e.



5-26

3. CLUSTER CONNECTOR

1

2

4

3

No. Signal

Cluster

Input / Output

1

2

3

4

Power IG(24V)

GND

Serial-(RX)

Serial+(TX)

Input(20~32V)

Input(0V)

Input(Vpp=12V)

Output(Vpp=4V)

21075MS16



5-27

4. CLUSTER FUNCTION

This gauge indicates the amount of fuel in the fuel tank.

Fill the fuel when the 1st step or fuel icon blinks in red.

If the gauge illuminates the 1st step or fuel icon blinks in

red even though the machine is on the normal condition,

check the electric device as that can be caused by the poor

connection of electricity or sensor.

1st step

Fuel level gauge

This gauge indicates the temperature of hydraulic oil in 12 step

gauge.

1st step : Below 30C(86F)

2nd~10th step : 30-105C(86-221F)

11th~12th step : Above 105C(221F)

The gauge between 2nd and 10th steps illuminates when

operating.

Keep idling engine at low speed until the gauge between 2nd

and 10th steps illuminates, before operation of machine.When the gauge of 11th and 12th steps illuminates, reduce the

load on the system. If the gauge stays in the 11th~12th steps,

stop the machine and check the cause of the problem.

1st step

12th step

Hydraulic oil temperature gauge

1st step

12th step

Engine coolant temperature gauge

This gauge indicates the temperature of coolant in 12 step

gauge.

1st step : Below 30C(86F)

2nd~10th step : 30-105C(86-221F)

11th~12th step : Above 105C(221F)

The gauge between 2nd and 10th steps illuminates when

operating.

Keep idling engine at low speed until the gauge between 2nd

and 10th steps illuminates, before operation of machine.

When the gauge of 11th and 12th steps illuminates, turn OFF

the engine, check the radiator and engine.

1607A3CD02E

1607A3CD02D

1607A3CD02F

(4)

3)

5)

This displays the current time.

Refer to the page 5-31 to set time for details.

Time display

1607A3CD02C

1)

This displays the engine rpm.

RPM display

1607A3CD02C

2)

LCD main operation display)

1

3

2

4

5

e au screen Time display

RPM display

Hydraulic oil temperature gauge

Fuel level gauge

Engine coolant temperature gauge

1

2

3

4

51607A3CD02A

Option screen

1

3

2

4

5

1607A3CD02B

Option screenDefault screen



5-28

Warning of main operation screen

Warning display

Engine coolant temperature

3)

1)

This lamp blinks and the buzzer sounds

when the temperature of coolant is over

the normal temperature 105C 221F) .Check the cooling system when the lamp

blinks.

-

-

Fuel level


when the level of fuel is below 49(12.9

U.S. gal).

Fill the fuel immediately when the lamp

blinks.

-

-

Hydraulic oil temperature

This warning lamp operates and thebuzzer sounds when the temperature of

hydraulic oil is over 105C 221F) .

Check the hydraulic oil level when the

lamp blinks.

Check for debris between oil cooler and

radiator.

-

-

-

All gauge


when the all gauge is abnormal.

Check the each system when the lamp

blinks.

-

-

Communication error

Communication problem between MCU

controller and cluster makes the lamp

blinks and the buzzer sounds.

Check if any fuse for MCU burnt off.

If not check the communication line

between them.

-

-

Pop-up icon display

2)

Switch Selected mode DisplayNo

Work modeswitch

1

2

General workmode

Heavy dutywork mode

Breakeroperation mode

High powerwork mode

Standard powerwork mode

Power modeswitch

Switch Selected mode DisplayNo

Autodecelerationswitch

3

4

Light ON

Light OFF

Low speed

High speed

Travel speedcontrolswitch



5-29

LCD

)

M on it or in g D ia gn os is M an ag em en t

Settings Display User Mode

SYSTEM MENU

1

5

2

3

4

2507A4OP95B

1

2

3

4

: LCD

: Escape,Return to the previous menu

: Down/Left Direction

: Up/Right Direction

5 : Select(Enter)Activate the currently chosen item

Main menu

1 2 3 4

5 6 72507A4OP94

1)

1

2

3

4

5

: Menu information

: Monitoring Equipment, Switch, Output

: Diagnosis Current error, Recorded error

: Maintenance

: Settings Time set Dual mode System lock(Reserved)

6

7

: Display Operation skin, Brightness, Language

: User mode



5-30

Display map

Monitoring

2)

- If there are more than 2 error codes, each one can be displayed by pressing orswitch respectively.

Maintenance

Diagnosis



5-31

SettingTime seta.

System lock - Reservedb.

: Adjusting

: Setting

Display

Operation skina.

Brightnessb.

Languagec.

Dual mode- Changing the MCU mode

c.



5-32

User mode

Usermode(U) is not selected.

: Adjusting

: Setting

: Adjusting

: Setting

: Adjusting

: Setting



5-33

Warning and pilot lamp

)

This lamp blinks and the buzzer sounds after starting the

engine because of the low oil pressure.

If the lamp blinks during engine operation, shut OFF engine

immediately. Check oil level.

Engine oil pressure warning lamp

21073CD07

This lamp blinks and the buzzer sounds when the filter of air

cleaner is clogged.

Check the filter and clean or replace it.

Air cleaner warning lamp

21073CD08

(1)

2)

If any fault code is received from MCU controller, this lamp

blinks and the buzzer sounds.

Check the communication line between MCU controller and

cluster.

MCU controller check warning lamp

21073CD10

This lamp blinks and the buzzer sounds when the starting

switch is ON, it is turned OFF after starting the engine.

Check the battery charging circuit when this lamp blinks during

engine operation.

Battery charging warning lamp

21073CD13

(3)

4)

When the machine is overload, the overload warning lamp

blinks during the overload switch is ON.

Overload warning lamp (Option)

21073CD15

5)



5-34

This lamp is turned ON when the coolant temperature is below

30C86F).

The automatic warming up is cancelled when the engine

coolant temperature is above 30C, or when 10 minutes have

passed since starting.

Warming up pilot lamp

21073CD18

Turning the start key switch ON position starts preheating in

cold weather.

Start the engine as this lamp is OFF.

Preheat pilot lamp

21073CD12

Operating auto decel or one touch decel makes the lamp ON.

The lamp will be ON when pushing one touch decel switch on

the LH RCV lever.

Decel pilot lamp

21073CD17

7)

8)

This switch is to select the machine operation mode, which

shifts from general operation mode to heavy operation mode

and breaker mode in a raw by pressing the switch.

: Heavy duty work mode

: General work mode

: Breaker operation mode

Refer to the page 5 -4 for details.

Work mode switch

21073CD20

The lamp will be ON when pushing power max switch on the

LH RCV lever.

Power max pilot lamp

21073CD11

6)

9)

10)



5-35

User mode switch

1607A3CD21

11)

This switch is to select the maximum power or user mode.

M : Maximum power

U : Memorizing operators preferable power setting.

Refer to the page 5-5 for de tails.

This switch is to control the travel speed which is changed to

high speed(Rabbit mark) by pressing the switch and low

speed(Turtle mark) by pressing it again.

Travel speed control switch

21073CD24

(14)

This switch is used to actuate or cancel the auto deceleration

function.

When the switch actuated and all control levers and pedals are

at neutral position, engine speed will be lowered automatically

to save fuel consumption.

Light ON : Auto deceleration function is selected.Light OFF : a. Auto deceleration function is cancelled so that

the engine speed increased to previous setting

value.

b. One touch decel function is available.

Auto deceleration switch

(12)

The lamp of selected mode is turned ON by pressing the

switch( ).

H : High power work.S : Standard power work.

Power mode sw itch

21073CD23

1607A3CD22

13)

When the starting switch is turned ON first, normally the alarm

buzzer sounds for 2 seconds during lamp check operation.

The red lamp lights ON and the buzzer sounds when the

machine has a problem.

In this case, press this switch and buzzer stops, but the red

lamp lights until the problem is cleared.

Buzzer stop switch

1607A3CD25

(15)



5-36

Select switch

1607A3CD25A

16)

This switch is used to enter main menu and sub menu of LCD.

Refer to the page 5-29 for details.



5-37

1 SPECIFICATION

Operating voltage : 244V

Power : 20050WCurrent : 15A

2 OPERATION

The current of fuel warmer system is automatically

controlled without thermostat according to fuel

temperature.

At the first state, the 15A current flows to the fuel

warmer and engine may be started in 1~2

minutes.

If the fuel starts to flow, ceramic-disk in the fuelwarmer heater senses the fuel temperature to

reduce the current as low as 1.5A.

So, fuel is protected from overheating by this

mechanism.

3 ELECTRIC CIRCUIT

Prefilter

Fuel heater

1)

2)3)

1)

2)

3)

8007A5MS10

CPU CONTROLLER

R W

C N - 5 0

C R-

4 6 C N-1 4 7

FUEL HEATER RY FUEL HEATER

FUSIBLE LINK

CN-95

1

25W

5W

CN-60

1

25R

5R

5R

3L

5W

BATTERY(12VX2)

CR-1

BATT RY

60R 60B

C R - 3 5

POWER RY

W

1 2

1 1

R

1 0 9 8 7

C N - 8

6 5 4 3 2 1

1

C S T A C C B R H

B

2 4 H

I 0 ,

I 0 3 5

6 5 4 3 2 1

6

C S - 2

START KEY SW

R W

5 R

C S - 7 4

1 2

CS-74

MASTER SW

5 R

W G r

C N - 3 6

FUSE BOX

Y W

L L G / W

PRE-HEATERCOIL RY

8 7 a

3 0 8 7

8 5

8 6

8 7 a

8 5

8 7 8

6 3 0

8 7 a

3 0 8 7

8 5

8 6

8 7 a

8 5

8 7 8

6 3 0

C R - 3 6

R 3 L B W

S W I T C H P A N E L

S A F E T Y S O L

S P A R E

2 8

2 0 A

5

5 A

C P U B +

2 7

1 0 A

2 6

1 0 A

2 5

1 0 A

2 4

5 A

2 3

1 0 A

2 2

5 A

2 1

1 0 A

2 0

1 0 A

1 9

1 0 A

1 8

2 0 A

1 7

5 A

1 6

1 0 A

1 5

1 0 A

1 4

5 A

1 3

2 0 A

1 2

2 0 A

1 1

5 A

1 0

5 A

9

1 0 A

8

5 A

7

1 0 A

6

2 0 A

4

1 0 A

3

5 A

2

5 A

1

2 0 A

F U E L W A R M E R

F U E L F I L L E R P / P

S O L E N O I D 3

S O L E N O I D 1

T R A V E L

P R E - H E A T

C I G A R L I G H T E R

H O R N

A C & H E A T E R

B E A C O N L A M P

C A B I N L A M P

W O R K L A M P

H E A D L A M P

W I P E R M O T O R

A L T E R N A T O R " R "

C O N V E R T O R

C P U

A C B L O W E R

C L U S T E R

C A S S E T T E R A D I O

W I P E R +

A C & H E A T E R

R O O M L A M P

S T A R T K E Y

L

B W

C A N_

L ( J 1 9 3 9 - )

3 6

P U M P E P P R

( + )

3 5

B O O M D O W N

E P P R ( + )

3 4

R S 2 3 2 ( G N D

)

3 3

R S 2 3 2 ( R X D )

3 2

R S 2 3 2 ( T X D )

3 1

G N D

3 0

S E R I A L - R X

2 9

S E R I A L - T X

2 8

G N D ( M A I N )

2 7

C A N_

G N D ( J 1 9 3 9 - G N D )

2 6

2 5

C A N_

H ( J 1 9 3

9 + )

B O O M P R I O R

I T Y S O L

B R A K E F A I L

L A M P

P O W E R I G

B A T T E R Y 2 4

V ( + )

N C

P A R K I N G S W

T / M O I L L A M

P

E N G P R E - H E

A T E R

B O O M D O W N

E P P R ( - )

F U E L W A R M

E R

H O U R - M E T E

R

A C C E L A C T ( - )

E N G O I L F I L T

E R S W

P R E - H E A T S

W

T R A V E L S O L E N O I D

O V E R L O A D

S I G

2 4

C P U P R O G R

A M D U M P

2 3

2 2

2 1

2 0

1 9

P O W E R M A X

S O L

1 8

1 7

1 6

1 5

P U M P E P P R

( - )

1 4

T R A V E L B U Z

Z E R

1 3

M A X F L O W S O L

A C C E L A C T ( + )

A N T I - R E S T A

R T R Y

H E A D L A M P

S W I T C H

1 2

1 1

1 0 9 8 7 6 5 4 3 2 1

G r

Y W

B A

L RW

RW

B W

1 2 3 4

3 1

2 4

B L

1

2

B

Gr

GrW

GrW

Gr

B

8

7

6

5

HEATER RY

CR-24

CN-78

AIR-GRIDHEATER

CN-74

STARTER

CN-45

CR-23

START RY

CN-3

4

3

2

1B+

M

M

30007A5MS13

GROUP 13 FUEL WARMER SYSTEM

CODES ERROR 320LC-7.1.pdf

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