Instrument/controls - Description and function
08/01/2023
4812325556EN
25
H1-AC Alarm
DESCRIPTION
FUNCTION
DISPLAYED
MESSAGE
LIMITED
MODE
SAFE
MODE
YELLOW
ALARM
RED
ALARM
BUZZER
Engine
Overspeed
Engine Speed is greater
than 3000 RPM
Overspeed
X
X
CAN J1939
Fault
No response from ECM
(Tier 4/Stage V) or
Actuator (Tier 3) for more
than 5 seconds
(Comunnication has been
lost)
J1939
X
X
Machine
Direction
Machine is moving in the
opposite direction of the
joystick
Machine
Direction
X
X
Hydraulic Motor
Overspeed
Speed sensor frequency is
greater than 8000 hz
Motor RPM
X
X
Forward Valve
Fault
Open Circuit, Short Circuit
or value out of range
Forward
Valve
X
X
Reverse Valve
Fault
Open Circuit, Short Circuit
or value out of range
Reverse
Valve
X
X
Machine Power
Supply
Main Control Unit power
supply is greater than 16V
or less than 9V
Power Supply
X
X
Machine Power
Supply
Main Control Unit power
supply is greater than 18V
or less than 4,5V
Power Supply
X
X
X
Sensor Power
Supply Fault
Sensor Power Supply is
out of range (5000mV ±
125mV)
Sensor
Supply
X
X
X
Joystick Fault
Short Circuit between
signals or lost of signal
Joystick
X
X
X
Brake Test
Fault
Speed is greater than
1km/h during the brake
test (Dynamic or Parking
Brakes)
Brake Test
X
X
X
Brake Press
Low
Dynamic brake pressure is
less or equal than 70 bar
Brakes Low
X
Oil Pressure
Low
Oil Pressure is less than
69 kPa
Oil Pressure
X
X
Water In Fuel
Sensor has detected water
in fuel
Water in Filter
X
Hydraulic Oil
Filter Clogged
Hydraulic Oil Filter has
been clogged
Hydraulic
Filter
X
Air Filter
Clogged
Air Filter has been clogged
Air Filter
X
No Charging
Alternator is not charging
the battery
No Charging
X
Fuel Level
Alarm
Fuel Level is less than
10%
Low Fuel
X
Water Level
Alarm
Water Level is less than
10%
Low Spr.
Water
X
Engine Coolant
Temperature
Alarm
Engine Coolant
Temperature is greater
than 103°C.
Engine Temp
X
X