Mebay DC8-D MK Series User Manual

DC8xD MK3 GENSET CONTROLLER USER MANUAL
24
External instant alarm
When the controller detects that the “External instant alarm input” switch of the
AUX. INPUT port is valid, the external instant trip is started and the shutdown alarm
delay is delayed for a period of time “Normal alarm delay” AUX. INPUT port
“External instant alarm input” switch When it is valid, it will alarm, the public alarm
light "ALARM" lights will light up,Generator stops running, and display "Instant
parking" on the current fault screen.
Speed signal lost alarm
When the controller parameter "Action if RPM lost" is set to "alarm", the detected
speed value is 0,Then start alarm delay and the duration (Normal alarm delay) have
not returned to normal, the alarm of speed signal lost warning is reported. "ALARM"
lights will light up, Generator stops running, displays "Lose speed" on the current
fault screen.
Oil pressure sensor disconnected alarm
When the controller parameter "Action if low oil pressure sensor disconnected" is
set to "alarm", When the oil pressure sensor is detected to be disconnected,Then
start alarm delay and the duration (Normal alarm delay) have not returned to normal,
the alarm of Oil pressure sensor disconnected alarm is reported. "ALARM" lights will
light up, Generator stops running, displays "OP sensor open" on the current fault
screen.
Temperature sensor disconnected alarm
When the controller parameter "Action if temperature sensor disconnected" is set
to "alarm", When the temperature sensor is detected to be disconnected,Then start
alarm delay and the duration (Normal alarm delay) have not returned to normal, the
alarm of temperature sensor disconnected alarm is reported. "ALARM" lights will light
up, Generator stops running, displays "Temp sensor open" on the current fault
screen.
Over frequency alarm
When the controller detects that the generator frequency is higher than “Over
frequency alarm”, Then start alarm delay and the duration (Emergency delay) have
not returned to normal, the alarm of over frequency is reported. "ALARM" lights will
light up, Generator stops running, displays " Over frequency " on the current fault
screen.
Under frequency alarm
When the controller detects that the generator frequency is lower than “Under
frequency alarm”, Then start alarm delay and the duration (Normal alarm delay)
have not returned to normal, the alarm of under frequency is reported. "ALARM"
lights will light up, Generator stops running, displays " Under frequency " on the
current fault screen
Over voltage alarm
When the controller detects that the generator voltage is higher than “Over voltage
alarm”, Then start alarm delay and the duration (Normal alarm delay) have not

Mebay DC8-D MK Series Specifications

General

Brand	Mebay
Model	DC8-D MK Series
Category	Controller
Language	English