APC715 Pump Unit Controller
APC715 Pump Unit Controller ISSUE 2013-08-28 Version 1.0 Page 20 of 62
5 PROTECTION
5.1 WARNINGS
Warnings are not shutdown alarms and do not affect the operation of the genset.
Warning does not lead to shutdown, and when warning condition is no longer present,
warning alarm will be cleared automatically. Warning types are as follows:
No.
Type
Description
1
Over Speed
When the controller detects that the engine speed has
exceeded the pre-set value, it will initiate a warning
alarm.
2
Under Speed
When the controller detects that the engine speed has
fallen below the pre-set value, it will initiate a warning
alarm.
3
Loss of Speed
Signal
When the controller detects that the engine speed is 0
and the action select “Warn”, it will initiate a warning
alarm.
4
Fail To Stop
After “fail to stop” delay, if unit is not stop completely, it
will initiate a warning alarm.
5
Charge Alt Fail
When the controller detects that charger voltage has
fallen below the pre-set value, it will initiate a warning
alarm.
6
Battery
1
Over
Voltage
When the controller detects that battery 1 voltage has
exceeded the pre-set value, it will initiate a warning
alarm.
7
Battery 1 Under
Voltage
When the controller detects that battery 1 voltage has
fallen below the pre-set value, it will initiate a warning
alarm.
8
Maintenance Due
When maintenance countdown time is 0 and the action
select “Warn”, it will initiate a warning alarm.
9
ECU Warn
If an error message is received from ECU via J1939, it
will initiate a warning alarm.
10
Temperature
Sensor
Open
Circuit
When the controller detects that the temperature
sensor is open circuit and the action select “Warn”, it
will initiate a warning alarm.
11
High Temperature
When the controller detects that engine temperature
has exceeded the pre-set value, it will initiate a warning
alarm.
12
Low Temperature
When the controller detects that engine temperature
has fallen below the pre-set value, it will initiate a
warning alarm.
13
Oil Pressure Open
Circuit
When the controller detects that the oil pressure sensor
is open circuit and the action select “Warn”, it will