Operation0810−1/A1
Winterthur Gas & Diesel Ltd.
4/ 4
Problem Possible Cause Procedure
A cylinder does not fire or does
not fire correctly when starting
(continued).
No power supply to FCM−20. Electrical
connection disconnected, or incorrectly
connected. Internal fault.
Set to on the power supply.
Connect the electrical
connection. Replace the
FCM−20.
The piston or slide rod in the exhaust valve
control unit 4.10, or the piston in rail valve
ZV7201 cannot move.
Replace the exhaust valve
control unit or the rail valve.
Exhaust valve control unit is cut out. Cut in the exhaust valve
control unit (see 0520−1).
Starting valves do not open, cannot move,
are damaged or do not get a signal.
Do an overhaul, or replace
the starting valves. Do a
check of the cables.
Violent firing during engine
start.
Fuel rail pressure is too high, fuel control
does not operate correctly.
Do a check of the power
supply and wiring.
Cylinders were lubricated too much before
starting. Unwanted quantity of cylinder oil in
the combustion spaces.
Decrease the speed setting
(fuel injection quantity) until
the unwanted oil has burned.
Do not lubricate too much.
The auxiliary blowers were not running
during the engine starts before. Fuel has
collected in the combustion space.
Decrease the speed setting
immediately (fuel injection
quantity).
The fuel injection quantity (start fuel charge)
is set too high.
Decrease the speed setting
(fuel injection quantity).
The fuel limiter is set too high. Adjust the setting to the
standard value.
2. Problems during Engine Stop
Problem Possible Cause Procedure
Engine cannot be stopped
with the rotary switch or the
telegraph in the control room.
The cable connector is defective. Push the EMERGENCY
STOP button to stop the
engine (see 0310−1 Engine
Shutdown).
Engine cannot be stopped
with the rotary switch on the
local control panel.
The cable connector is defective. Push the EMERGENCY
STOP button to stop the
engine (see 0310−1 Engine
Shutdown).
2014
Problems during Engine Start and Stop
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