DC20D MK2 GENSET CONTROLLER USER MANUAL
24
Check the genset AC voltage.
Check DC fuse.
Genset Emergency
Stop
Check the emergency stop button.
Check the controller connection.
Low oil pressure alarm
Check oil pressure sensor and its wiring.
Check the oil pressure sensor type and controller settings must
be consistent.
Check whether the low oil pressure sensor is normal.
High temperature
alarm
Check temperature sensor and its wiring.
Check the temperature sensor type and controller settings must
be consistent.
Check whether the temperature sensor is normal.
Shutdown Alarm in
running
Check related switch and its connections according to the
information on LED.
Check AUX. INPUT.
Fail to start
Check fuel return circuit and wiring.
Check start battery.
Consult engine manual.
Starter motor does not
respond
Check the wiring to the starter.
Check start battery.
Unit operation but ATS
does not switch
Check the ATS.
Check the cable between the controller and the ATS.
RS485 cannot
communicate normally
Check the connection.
Check if the communication ID number setting is correct.
Check if the A and B lines of RS485 are reversed.
Check if the RS485 communication line driver is installed or not.
Check if the communication port of the PC is damaged.
Add a 120 Ω resistor between the AB of the controller RS485.
