HEM4300 Engine Controller User Manual Page 19 of 55
6
PROTECTION
6.1
WARNINGS
When controller detects warning signal, it only issues warning, not shutdown.
Table 7 Warnings
No.
Type
Description
1
Over Speed Warn
When controller detects speed is above the pre-set over speed
warning threshold, it issues warning signal.
2
Loss of Speed Signal
When controller detects speed is 0, and speed signal loss action is
selected “Warning”, it issues warning signal.
3
Load Rate High
When controller detects load rate is above the set threshold, it
issues warning signal and limits engine speed to the value in high
load rate.
4
Stop Failure
When engine stop delay is over and engine doesn't stop
completely, controller issues warning signal.
5
Charge Alt Fail
When controller detects engine charger voltage is less than pre-set
threshold, it issues warning signal.
6
Battery Overvoltage
When controller detects engine battery voltage is larger than
pre-set threshold, it issues warning signal.
7
Battery Undervoltage
When controller detects engine battery voltage is less than pre-set
threshold, it issues warning signal.
8
Urea Level Low
When controller detects engine urea level is less than pre-set
threshold, it issues warning signal.
9
ECU Warn
When controller receives warning signal of engine by J1939, it
issues warning signal.
10
ECU Post-process
When controller receives post-processing unit warning signal, it
issues warning signal.
11
Temp Sensor Open Warn
When controller detects sensor is open and action type is selected
“Warning”, it issues warning signal.
12
High Temp Warn
When controller detects temperature is higher than pre-set high
temp warning value, it issues warning signal.
13
Low Temp Warn
When controller detects temperature is lower than pre-set low temp
warning value, it issues warning signal.
14
Temp Sensor Error
When controller detects temperature is above the sampling range,
it issues warning signal,
15
OP Sensor Open Warn
When controller detects oil pressure sensor is open, and action
type is selected "Warning", it issues warning signal.
16
Low OP Warn
When controller detects oil pressure value is below pre-set oil
pressure warning value, it issues warning signal.
17
OP Sensor Error
When controller detects oil pressure value is above the sampling
range, it issues warning signal.
18
Aux. Sensor 1~6 Open
When controller detects sensor is open, and action type is selected
“Warning”, it issues warning signal.