Operation Manual of WEICHAI GENSET
Icon Fault
Description
The controller detects that the user-defined input
User-defined input preset by the user as a fault condition has been
activated
Analog input
The controller detects that the input preset by the user
as a fault condition has been activated
Note: Failure in shutdown may mean that the oil
Failure in stop
pressure sensor gets faulted. If the engine is in standby
state, check the oil pressure sensor for wiring and
setting.
The controller detects that the engine has been
instructed to stop but the set is still running
Charging fault
The auxiliary charging motor voltage is lower than the
measured voltage of W/L terminal
Low oil level
The oil level sensor detects a low oil level value lower
than the preset
High oil level
The oil level sensor detects a high oil level value higher
than the preset
Insufficient battery The voltage of DC power supply is lower or higher than
voltage
the preset LV pre-alarm value
Battery
overvoltage
The voltage of DC power supply rises above the preset
HV pre-alarm value
Battery
undervoltage
After the safety delay, the alternator voltage drops
below the preset alarm value
Alternator
overvoltage
The alternator output voltage rises above the preset
alarm value
Alternator
underfrequency
After the safety delay, the alternator output frequency
drops below the preset alarm value
Alternator
overfrequency
The alternator output frequency rises above the preset
alarm value
CAN ECU fault
The engine ECU detects an alarm
Invalid CAN data
The controller is set to be operated through CAN but
fails to detect CAN data connection of the engine
Valid immediate
overcurrent
The detected current is higher than the set trip value
Delay overcurrent
The detected current is higher than the set trip value
after a certain time.
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