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No HIGH ENGINE
TEMP indication
Water temperature
switch
Connect a jumper
across the water
temperature switch on
the engine
Start engine with
MANUAL START
switch
Verify that engine starts
and alarm sounds
Replace water
temperature switch
Engine overspeed does
not stop engine
No indication
Indication but engine
does not stop under
overspeed simulation
Faulty or mis-adjusted
magnetic sensor
Main Logic Board
faulty
Check sensor
installation
Replace sensor
Replace Main Logic
Board
Cranking and rest
periods greater than or
less than 15 ± 2 sec.
Engine cranks less than
six times
Engine continues to
crank in AUTO
position but does not
start
Main Logic Board
faulty
Check Main Logic
Board
Replace Main Logic
Board
Controller does not
crank engine with good
battery
Engine cranking and
indication OK
Engine Relay Board
faulty
Main Logic Board
faulty
Check Engine Relay
Board
Check Main Logic
Board
Replace Engine Relay
Board
Replace Main Logic
Board