ACC4100 Diesel Air Compressor Controller User Manual Page 15 of 52
6
PROTECTION
6.1
WARNINGS
When controller detects warning signal, it only issues warning, not shutdown. When alarm is
removed, warning alarm is cleared automatically.
Table 6 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
Under Speed Warn
When controller detects speed is below the pre-set under speed
warning threshold, it issues warning signal.
3
Loss of Speed Signal
When controller detects speed is 0, and speed signal loss action is
selected “Warning”, it issues warning signal.
4
Failed to Stop
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 alarm signal.
6
Battery Overvoltage
When controller detects engine battery voltage is larger than
pre-set threshold, it issues warning alarm signal.
7
Battery Undervoltage
When controller detects engine battery voltage is less than pre-set
threshold, it issues warning alarm signal.
8
ECU Warn
When controller receives warning signal of engine by J1939, it
issues warning signal.
9
Temp Sensor Open Warn
When controller detects sensor is open and action type is selected
“Warning”, it issues warning signal.
10
High Temp Warn
When controller detects temperature is higher than pre-set high
temp warning value, it issues warning signal.
11
Low Temp Warn
When controller detects temperature is lower than pre-set low temp
warning value, it issues warning signal.
12
OP Sensor Open Warn
When controller detects oil pressure sensor is open, and action
type is selected "Warning", it issues warning signal.
13
Low OP Warn
When controller detects oil pressure value is below pre-set oil
pressure warning value, it issues warning signal.
14
Fuel Level Open Warn
When controller detects fuel level sensor is open and action type is
selected “Warning”, it issues warning signal.
15
Low Fuel Level Warn
When controller detects level value is below pre-set fuel level
warning value, it issues warning signal.
16
Discharge Pressure Open
When controller detects discharge pressure sensor is open and
action type is selected “Warning”, it issues warning signal.
17
High Discharge Press.
When controller detects discharge pressure value is above pre-set
pressure warning value, it issues warning signal.
18
Low Discharge Press.
When controller detects discharge pressure value is below pre-set
pressure warning value, it issues warning signal.
