Egcon GCU DG4, User Manual

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GCU -DG4 Manual
EGCON CO., LTD
18. Cause of Breakdown and Solutions
Symptom Cause Solution
When there is no power (No
vision in LCD display)
DC circuit breaker is open Close DC circuit breaker
DC fuse is disconnected Replace fuse with the same capacity
Wrong wiring
Correct wiring referring to the circuit
diagram
Flat battery Recharge battery at least 5 hours
Cannot start (starter motor is
not working)
Flat battery Recharge battery at least 5 hours
Breakdown of start-assistant
magnet
Replace start-assistant magnet
Breakdown of starter motor Replace starter motor
Wrong or no wiring.
Correct wiring by referring to the
circuit diagram
When cannot start (starter
motor is working)
Breakdown of pre-heating plug Replace pre-heating plug
Wrong ENGINE TYPE setting in
environment settings
Correctly select ETR and ETS by
inquiring the engine manufacturer
When cannot start (stops
soon after the start)
Wrong PICK-UP SETTING in
environment settings
Correctly enter number of ring gears
by inquiring the engine manufacturer
Wrong or no OPG wiring
Correct wiring by referring to the
circuit diagram
OPG alarm upon the start
Wrong or no OPG wiring
Correct wiring by referring to the
circuit diagram
Wrong OPS MODE setting in
environment settings
Correctly set OPS MODE
Did not use correct sensor OPU must use products from VDO
Inaccurate RPM of generator
Wrong PICK-UP SETTING in
environment settings
Correctly enter number of ring gears
by inquiring the engine manufacturer
No light in GEN. RUN lamp
while generator is in
operation.
Wrong or no wiring of PICK-UP
Correct wiring by referring to the
circuit diagram
Wrong or no wiring of generator
voltage GEN.VOLT socket
Correct wiring by referring to the
circuit diagram
Inaccurate voltage value
Wrong CT RATIO setting in
environment settings
Enter correct CT ratio of CT used
Generator voltage input and CT
input are different
Correct wiring by referring to the
circuit diagram
Indication of power factor is
not normal
Second wiring of CT is wrong
Correct wiring by checking polarity of
CT and referring to circuit diagram
No automatic operation of
generator upon commercial
power outage
Wrong COMP POWER setting in
environment settings
Select whether to receive input of CNT
socket by commercial power outage
signal or by directly detect voltage of
commercial power and arrange
corresponding circuit.
No input of ACB
The generator voltage is
measured lower than UVR value.
Adjust AVR so that generator voltage
is measured normally.