Synchronization
option
Operator’s
Manual
Doosan reserves the right to change any of the above
Page 17 of 32
Status text
Condition
Comment
MPE ACTIVE
Gen-set running in mains power export
mode
DG BLCKD FOR START
Generator stopped and active alarm(s)
on the generator
GB ON BLOCKED
Generator running, GB open and an
active ‘Trip GB’ alarm
SHUTDOWN OVERRIDE
The configurable input is active
ACCESS LOCK
The configurable input is activated, and
the operator tries to activate one of the
blocked keys
GB TRIP EXTERNALLY
Some external equipment has tripped
the breaker
An external trip is logged in the
event log
MB TRIP EXTERNALLY
Some external equipment has tripped
the breaker
An external trip is logged in the
event log
IDLE RUN
The ‘Idle run’ function is active The
gen-set will not stop, until a timer has
expired
IDLE RUN ###.#min The timer in the ‘Idle run’ function is
active
COMPENSATION FREQ.
Compensation is active
The frequency is not at the
nominal setting
Aux. test ##.#V ####s Battery test activated
DELOAD
Decreasing the load of the gen-set in
order to open the breaker
START DG(s) IN ###s The start gen-set setpoint is exceeded
STOP DG(s) IN ###s The stop gen-set setpoint is exceeded
START PREPARE
The start prepare relay is activated
START RELAY ON
The start relay is activated
START RELAY OFF
The start relay is deactivated during
the start sequence
MAINS FAILURE
Mains failure and mains failure timer
expired
MAINS FAILURE IN ###s Frequency or voltage measurement is
outside the limits
The timer shown is the mains
failure delay Text in mains units
MAINS U OK DEL ####s Mains voltage is OK after a mains
failure
The timer shown is the mains
OK delay
MAINS f OK DEL ####s Mains frequency is OK after a mains
failure
The timer shown is the mains
OK delay
Hz/V OK IN ###s The voltage and frequency of the gen-
set is OK
When the timer runs out it is
allowed to operate the generator
breaker
