HEM8500 Engine CAN Monitoring Controller User Manual Page 19 of 45
6
PROTECTION
6.1
WARNINGS
When controller detects warning alarms, it only sends warnings but not shuts down the engine, and
corresponding warning alarm types are displayed on LCD. If controller detects more than one ECU
alarms (if more than 5 pieces), LCD will display max 5 ECU alarms.
Table 11 Warning Alarms
No
Type
Description
1 Battery Over Volt
When the controller detects that the battery voltage has exceeded the
pre-set value, it will initiate a warning alarm
2 Battery Under Volt
When the controller detects that the battery voltage has fallen below
the pre-set value, it will initiate a warning alarm
3
Oil Filter Maintenance
Due
When the running time is arrived at preset oil filter maintenance time, it
will initiate a warning alarm.
4
Diesel Filter
Maintenance Due
When the running time is arrived at preset filter maintenance time, it will
initiate a warning alarm.
5 ECU Warning
When the controller received engine warning signals via J1939, it will
initiate a warning alarm and fault code and name will be displayed.
6 Low Fuel Level
When the controller detects that the fuel level has fallen below the
pre-set value, it will initiate a warning alarm.
7 Fuel Level Open Circuit
When the controller detects that the fuel level sensor open circuit, it will
initiate a warning alarm.
8
Aux. Sensor 1~2 Open
Circuit
After sensors are enabled, when controller detects corresponding
sensor is open circuit. It will initiate a warning alarm.
9 Aux. Sensor 1~2 High
After sensors are enabled, When the controller detects that the sensor
value has exceeded the pre-set upper limit value, it will initiate a
warning alarm.
10 Aux. Sensor 1~2 Low
After sensors are enabled, When the controller detects that the sensor
value has fallen below the pre-set lower limit value, it will initiate a
warning alarm.
11
Aux. Sensor 3~4 Open
Circuit (current type)
After sensors are enabled, When the controller detects the sensor is
open, it will issue corresponding sensor open warning signal.
12
Aux. Sensor 3~4 High
(current type)
After sensors are enabled, When the controller detects the sensor value
is above the pre-set upper limit of warning value, it will issue sensor
high warning signal.
13
Aux. Sensor 3~4 Low
(current type)
After sensors are enabled, When the controller detects the sensor value
is below the pre-set lower limit of warning value, it will issue sensor low
warning signal.
14 Input 1~5 Warning
When digital input port is set as warning and the alarm is active, it will
initiate a warning alarm.
