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Condition Possible cause Checks Action
Engine stops without
having to press STOP
button or before run
time is complete
Water and Fuel
solenoid circuits and
valves, or
Main Logic Board
faulty
Check Water and Fuel
Relay
Replace Engine Relay
Board
Replace Main Logic
Board
Test Timer or Test
Pushbutton does not
start engine
AUTOMATIC /
MANUAL SWITCH in
AUTO
Engine starts after
pressure drop
No power to solenoid
drain valve, or faulty
valve
Faulty Timer
Check Water Dump
Solenoid Relay
Check solenoid valve
Check Timer
program
Replace Engine Relay
Board
Replace valve
Replace Timer
Alarm does not sound,
Associated light not on
Alarm faulty
LED Display faulty
Main Logic Board
faulty
Check alarm Replace alarm
Replace LED Display
Replace Main Logic
Board
No BATTERY
FAILURE indication
Engine cranks
Power Sense Board
faulty
Main Logic Board
faulty
Check Power Sense
Board
Replace Power Sense
Board
Replace Main Logic
Board
Table 6-1 Troubleshooting (Continued)
Condition Possible cause Checks Action