Troubleshooting
28 3A6400A
Troubleshooting
Problem Cause Solution
E=XX is displayed Fault condition exists. Determine fault correction from table, page
35.
Engine will not start Engine switch is OFF. Turn engine switch ON.
Engine is out of gasoline. Refill gas tank. Honda Engine Manual.
Engine oil level is low. Try to start engine. Replenish oil, if necessary.
Honda Engine Manual.
Spark plug disconnected or damaged. Connect spark plug cable or replace spark
plug.
Engine is cold. Use choke.
Fuel shutoff lever is OFF. Move lever to ON position.
Oil is seeping into combustion
chamber.
Remove spark plug. Pull starter 3 to 4 times.
Clean or replace spark plug. Start engine.
Keep sprayer upright to avoid oil seepage.
False tripping of WatchDog system.
EMPTY is displayed. Pump does not
run.
Operating conditions out of WatchDog
parameters.
Pump output is low, page 29.
Turn pressure down. Contact Graco Technical
Assistance to adjust WatchDog parameters.
Operate without WatchDog active (see
Operation manual).
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