HEM4300 Engine Controller User Manual Page 20 of 55
No.
Type
Description
19
Aux. Sensor 1~6 High
When controller detects sensor value is above pre-set upper limit of
warning values, it issues warning signal.
20
Aux. Sensor 1~6 Low
When controller detects sensor value is below pre-set lower limit of
warning values, it issues warning signal.
21
Aux. Sensor 1~6 Error
When controller detects sensor value is above the sampling range,
it issues warning signal.
22
Input 1~8 Warn
When digital input port is configured to “Warning”, and it is active,
controller issues corresponding input warning signal.
23
Maintenance 1~15 Warn
When maintenance countdown reaches set time or date and action
type is selected “Warning”, controller issues warning signal.
24
End of Mandate Time
When controller time reaches mandate time, and mandate time due
action is selected “Warning”, controller issues warning signal.
6.2
SHUTDOWNS
When controller detects shutdown alarm signal, it immediately stops and displays alarm type.
Table 8 Shutdown Alarms
No.
Type
Description
1
Emergency Stop
When controller detects emergency stop alarm signal, it issues
emergency shutdown alarm signal.
2
Engine Overspeed Shut
When controller detects engine speed is over preset over speed
stop threshold, it issues shutdown alarm signal.
3
Loss of Speed Signal
When controller detects speed is 0, and speed signal loss action is
selected "Shutdown", it issues shutdown alarm signal.
4
Failed to Start
When engine fails to start during pre-set start attempts, controller
issues shutdown alarm signal.
5
ECU Shutdown
When controller receives shutdown alarm signal via J1939, it
issues shutdown alarm signal.
6
Urea Level Low
When controller detects urea level is less than pre-set threshold, it
issues shutdown alarm signal.
7
High Temp. Shut
When controller input port is set to High Temp Shutdown Input and
it is active, it issues shutdown alarm signal.
8
Low Oil Pressure Shut
When controller input port is set to Low Oil Pressure Shutdown
Input and it is active, it issues alarm signal.
9
ECU Comm. Failure
When engine start is completed, but controller doesn't receive data
via J1939, controller issues communication failure signal.
10
ECU Post-process
When controller receives post-processing unit shutdown alarm
signal, it issues shutdown alarm signal.
11
Air Filter Block Input
When controller input port is set to Air Filter Block Shutdown Input
and it is active, it issues shutdown alarm signal.
12
Temp Sensor Open
When controller detects sensor open, and action type is selected
“Shutdown”, it issues shutdown alarm signal.
13
High Temp Shut
When controller detects temperature value is above pre-set
shutdown value, it issues shutdown alarm signal.
