Hubbell Diesel Engine Fire Pump Controller LX3000, Instruction Manual, Page: 11 / 17

Table 6-1 Troubleshooting (Continued)
Condition Possible cause Checks Action
Engine does not crank
with Remote Start
Cranks when water
pressure decreases
Remote switch faulty
Main Logic Board
faulty
Check switch and
switch circuits
Check Main Logic
Board
Repair circuits
Replace switch
Replace Main logic
Board
Engine does not start
after AC power loss Power Sense Board or
Main Logic Board
faulty Check Power Sense
Board
Check Main Logic
Board
Replace Power Sense
Board
Replace Main Logic
Board
Engine does not stop
with optional AUTO
STOP Another start condition
present
Main Logic Board
faulty
Check controller start
conditions
Check Main Logic
Board Replace Main Logic
Board
Note
The above troubleshooting guide does not represent all possible conditions or problems. If the above
information can not resolve a problem, consult the factory or a local representative for further assistance.