HEM4000 Engine Controller User Manual Page 37 of 46
8.5
CONDITION SELECTION OF CRANK DISCONNECTION
Table 12 – Crank Disconnection Conditions
No.
Setting description
0
Engine Speed
1
Oil pressure
2
Oil pr Engine Speed
NOTE:
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There are 3 kinds of conditions that can disconnect the starter and the engine. Speed sensor and oil pressure sensor
can be used independently. It is suggested that oil pressure sensor matches speed sensor together aiming to separate
starting motor from the engine as soon as possible and judge whether it is started successfully precisely.
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Speed sensor is the magnetic equipment which is installed in the engine for detecting flywheel teeth number.
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If speed sensor is selected, please make sure that the flywheel teeth number is the same as the settings, or over speed
shutdown and under speed shutdown may happen.
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If there is not speed sensor in the unit, please do not select corresponding items, or start failure and loss of speed signal
alarm and shutdown may happen.
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If there is not oil pressure sensor in the unit, please do not select corresponding items.
8.6
MAINTENANCE SETTING
Table 13 – Maintenance Setting
Item
Content
Description
Enable Choice
0: Disabled, 1: Enabled
Applicable to set whether maintenance
function is active or not.
Maintenance Time
(0-30000)h
Hours from maintenance enable to
maintenance start.
Maintenance Time Due
Action
0: No Action;
1: Warning;
2: Shutdown;
3: Indication.
Alarm action when remaining maintenance
time is 0.
Pre-alarm A Time
(0-30000)h
Remaining maintenance time.
Pre-alarm A Action
Same as the Maintenance
Time Due Action
Action when remaining maintenance time
reaches pre-alarm A time.
Pre-alarm B Time
(0-30000)h
Remaining maintenance time.
Pre-alarm B Action
Same as the Maintenance
Time Due Action
Action when remaining maintenance time
reaches pre-alarm B time.
Maintenance Timing
Way
0: Unit Running Time
1: Real Time Clock
The timing way of maintenance.
Reset Maintenance Time
Applicable to reset maintenance time after
maintenance is finished.
Maintenance Description
Applicable to put in maintenance name, e.g.
change engine oil.