9) MACHINE CONTROL UNIT (MCU)
(1) This consists of electronic parts and controls all lamps and buzzers
on the cluster in accordance with signals transmitted from the
switches, the ECM, TCU, the engine and the hydraulic pressure
sensors.
(2) Three LED lamps on the MCU display as below.
LED lamp
Trouble
Service
G
*1
is turned ON
Normal
-
G and R
*2
are turned ON
Trouble on MCU
• Change the MCU
G and Y
*3
are turned ON
Trouble on serial communi-
cation line
• Check if the serial commu-
nication lines between the
controller and the cluster
are disconnected
Three LED are turned OFF Trouble on MCU power
• Check if the input power
wire (24 V, GND) of control-
ler is disconnected
• Check the fuse
*1
: Green
*2
: Red
*3
: Yellow
10) TRANSMISSION CONTROL UNIT (TCU)
(1) The control unit is shifting to the required gears fully-automatically
giving consideration to the following criteria:
• Gear selector lever position
• Driving speed
• Load level
11) ENGINE CONTROL MODULE (ECM)
(1) The engine control module (ECM) is the control center of the en-
gine system.
12) CONTROL UNIT (electro hydraulic & joystick steering, EHCU)
(1) The control unit is the control center of the EH control lever and joy-
stick steering system.
LED
77073CDS91
7707A3CD03
3-74
Содержание HL930A
Страница 1: ...WHEEL LOADER OPERATION MAINTENANCE MANUAL HL930A HL930A XT Serial No ...
Страница 2: ......
Страница 4: ......
Страница 25: ...1 CALIFORNIA PROPOSITION 65 SAFETY HINTS 1 1 ...
Страница 133: ...13 REAR CAMERA option 1 The rear camera is available as a option Refer to page 3 39 3 75 ...
Страница 147: ...15 CAMERA MONITOR OPTION 3 89 ...
Страница 149: ... 2 Interlocked with other devices 3 91 ...
Страница 150: ... 3 Operation scenario Single camera mode 3 92 ...
Страница 151: ... 4 Operation scenario AAVM mode 3 93 ...
Страница 152: ... 5 AAVM view mode type 3 94 ...
Страница 153: ... 6 Function menu tree Single cam mode 3 95 ...
Страница 154: ... 7 Function menu tree AAVM mode 3 96 ...
Страница 155: ... 8 Parking guide line adjust 3 97 ...
Страница 156: ... 9 How to set function menu 3 98 ...
Страница 157: ... 10 Composition of menu screen 3 99 ...
Страница 158: ... 11 Value adjustment 3 100 ...
Страница 159: ... 12 When radar mounted monitor display 3 101 ...
Страница 160: ......
Страница 191: ...6 Block the tires and fix firmly with wire rope or chain to prevent the machine from moving dur ing transportation 5 5 ...
Страница 260: ...9 2 ...
Страница 261: ......
Страница 262: ...EN English E1 September 2020 PART NO 91WA 32040 ...