
Operation Manual of WEICHAI GENSET
See next page for other shutdown alarm icons
Icon Fault
Description
Alternator
underfrequency
After the safety delay, the alternator output frequency
is lower than the preset alarm value
Alternator
overfrequency
The alternator output frequency is higher than the
preset alarm value
Overcurrent delay
In a certain period of time, it is detected that the current
is higher than the preset trip value
Too high power
In a certain period of time, it is detected that the power
is higher than the preset trip value
CAN ECU fault
The engine ECU detects an alarm for "detecting engine
light"
Please contact the technical support personnel of the
engine manufacturer
Invalid CAN data
The controller is set to be operated through CAN but
fails to detect CAN data connection of the engine
Emergency
shutdown
The emergency stop button cannot be used. Once the
fail-safe (usually closed as emergency stop) signal is
inputted, the set is stopped immediately until the signal
disappears.
Oil pressure sensor
open circuit
Oil pressure sensor open circuit
Coolant sensor
open circuit
It is detected that the coolant sensor is open circuited
Oil
filter
maintenance
Oil filter maintenance expiration
alarm
Air
filter
maintenance
Air filter maintenance expiration
alarm
Fuel
filter
maintenance
Fuel filter maintenance expiration
alarm
Alarm icon (protection)
An icon will be displayed in the alarm icon area to indicate that an alarm is given out
by the controller.
In case a common alarm is given, LCD will display an alarm icon. In case of electrical
trip or shutdown fault, the controller will not only display the alarm icon, but also the
LED indicator on the Stop/Reset button will flash.
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