Hubbell LX3000 instruction manual Condition Possible cause Checks Action, Auto

Condition	Possible cause	Checks	Action
Engine stops without	Water and Fuel	Check Water and Fuel	Replace Engine Relay
having to press STOP	solenoid circuits and	Relay	Board
button or before run	valves, or
time is complete
	Main Logic Board		Replace Main Logic
	faulty
			Board
Test Timer or Test	No power to solenoid	Check Water Dump	Replace Engine Relay
Pushbutton does not	drain valve, or faulty	Solenoid Relay	Board
start engine	valve
AUTOMATIC /	Faulty Timer	Check solenoid valve
MANUAL SWITCH in			Replace valve
AUTO		Check Timer	Replace Timer
Engine starts after		program
pressure drop
Alarm does not sound,	Alarm faulty	Check alarm	Replace alarm
Associated light not on	LED Display faulty		Replace LED Display
	Main Logic Board		Replace Main Logic
			Board
	faulty
No BATTERY	Power Sense Board	Check Power Sense	Replace Power Sense
FAILURE indication	faulty	Board	Board
Engine cranks	Main Logic Board		Replace Main Logic
	faulty		Board

Table 6-1 Troubleshooting (Continued)

Condition

Possible cause

Checks

Action