No HIGH ENGINE

Water temperature

Connect a jumper

Replace water

TEMP indication

switch

across the water

temperature switch

 

 

temperature switch on

 

 

 

the engine

 

 

 

Start engine with

 

 

 

MANUAL START

 

 

 

switch

 

 

 

Verify that engine starts

 

 

 

and alarm sounds

 

 

 

 

 

Engine overspeed does

 

 

 

not stop engine

Faulty or mis-adjusted

Check sensor

Replace sensor

No indication

magnetic sensor

installation

 

 

 

 

Main Logic Board

 

Replace Main Logic

Indication but engine

faulty

 

Board

 

 

 

does not stop under

 

 

 

overspeed simulation

 

 

 

 

 

 

 

Cranking and rest

Main Logic Board

Check Main Logic

Replace Main Logic

periods greater than or

faulty

Board

Board

less than 15 ± 2 sec.

 

 

 

Engine cranks less than

 

 

 

six times

 

 

 

Engine continues to

 

 

 

crank in AUTO

 

 

 

position but does not

 

 

 

start

 

 

 

 

 

 

 

Controller does not

Engine Relay Board

Check Engine Relay

Replace Engine Relay

crank engine with good

faulty

Board

Board

battery

 

 

 

Engine cranking and

Main Logic Board

Check Main Logic

Replace Main Logic

indication OK

faulty

Board

Board

 

 

 

 

 

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Image 10
Hubbell LX3000 instruction manual Manual Start