Hubbell LX3000 instruction manual Automatic, Manual Switch, Manual Start, Troubleshooting

Table 6-1 Troubleshooting (Continued)

Condition	Possible cause	Checks	Action
	Water and fuel solenoid	Check battery voltage	Clean and tighten
	circuits		connections
		Check WATER and	Replace Engine Relay
			Board
		FUEL Relay
Engine cranks but does			Replace Main Logic
			Board
not start
	Water and fuel solenoid	Check solenoids	Replace solenoid(s) or
	valves	Check fuel and water	valve(s)
		lines
		Check engine, fuel, fuel	Complete necessary
		filter	engine repairs
Engine continues to	Engine Crank Relay or	Check Crank 1 and	Replace Engine Relay
crank after starting	Main Logic Board	Crank 2 relays on	Board.
AUTOMATIC /	faulty	Engine Relay Board	Replace Main Logic
MANUAL SWITCH			Board
set to AUTO	Engine Run signal	Check Run LED on	Replace magnetic
Or	absent	Main Logic Board	Pickup
Test Mode Active	Magnetic Pickup or	Check for Pickup signal
	circuit faulty	at Main Logic Board
Engine does not crank	Relay, or Main Logic	Check Crank 1 and	Replace Engine Relay
in TEST or AUTO	Board faulty	Crank 2 relays on	Board
Engine cranks with		Engine Relay Board
MANUAL START			Replace Main Logic
Water and fuel			Board
solenoids energized
Engine does not crank	Pressure Switch, or	Press P/S TEST button	If cranking cycle begins
in AUTO when water	Main Logic Board		refer to Appendix B
pressure decreases	faulty		Pressure Switch /
Engine cranks with			Recorder
MANUAL START			Replace Main Logic
			Board

Table 6-1 Troubleshooting (Continued)