
Generator Faults
9.2.16
Kapitel/Chapter 8: Generator Faults - Seite/Page 131
Fig. 8.4.15-2: Troubleshooting flowchart - Page 2
Generator runs
No
Yes
Voltage
varies
No
No
Air in fuel system?
10.1
Go to page 1
Deaerate fuel
system
No
Yes
Level 2+3
Yes
No
Yes
Page 2
Generator runs
without load -
AC ok?
Exchange fuse
DC fuse ok?
10.2
Fuel pump installed/
connected correctly?
10.3
Install/connect
fuel pump correctly
Defective fuel pump?
10.4
Exchange fuel
pump
Yes
Yes
No
Bended fuel
hose?
10.5
Remove bend
Yes
Are connections, hoses
and lines dense?
10.6
No
Establish
leak tideness
Yes
No
No
No voltage
No
Cable generator AC Box ok?
9.1
Exchange cable *1
Yes
No
Yes
Exchange cable *1
Cable AC-out ok?
9.2
Load switched on?
9.3
Defective load/
Switch off load
Yes
No
No
Residual magnetism
of winding ok?
9.4
Restore residual
magnetism *1
Yes
No
Generator runs
with load -
AC ok?
Voltage too
high/low
No
Actuator threat spindle blocks
at the min/max position?
11.1
Check/correct
adjustments - grease spindle
No
Yes
No
Yes
Establish
connection
Interrupted actuator
connection
11.2
Fuse at VCS ok?
11.3
Exchange
fuse
Interrupted measurement
voltage to VCS
11.4
Exchange/connect
measurement
voltage line 1*
Yes
Yes
No
Frequency too
high/low
Yes
Reduce load
Genrator overloaded?
11.5
No
Panel shows
an error
No
Air in fuel system?
12.1
Deaerate fuel
system
No
Yes
Yes
No
Ja
Establish fuel
supply
Insufficient fuel supply
12.2
Failure in the redundant
temperature circuit
12.3
Examnine/exchange
temperature switch
Yes
No
Generator speed
drops down and stops
abruptly
No
Yes
Yes
Yes
Yes
No
Yes
Yes
T-engine
lights up
Yes
Oil pressure
flickers/lights up
Oil level ok?
14.1
Refill oil
No
Yes
No
Yes
Exchange oil
pressure switch *1
Defective oil pressure switch
14.2
Yes
Generator runs
unstable
with load
Yes
No
Yes
Reduce load
Generator overloaded?
12.4
Generator
OK!
No
Trouble shooting flowchart Marine Rev2.1
Deaerating screw
leaky?
13.6
Yes
Deaerate cooling
system
Yes
Defective
impeller pump?
13.2
Repair impeller
pump
Repair heat
exchanger
Refill cooling water
Yes
Exchange temperature
switch
Yes
Blocked heat
exchanger?
13.4
Insufficient
cooling water?
13.1
Defective
temperature switch,
loose connection,
cable break?
13.5
Air in cooling
system?
13.3
No
No
No
No
Yes
No
Yes
Replace gasket
No
No
No
*1 - should only be done
by a trained person