PRODUCT OVERVIEW
JH Series Operation Manual 31
Alarms
Checking the Warning Devices
Be Sure to Check the Warning Devices before Starting the Engine.
If the devices are not working properly, it is impossible to prevent any accidents arising
from problems like insufficient oil and water.
When the warning devices are activated and normal operation is impossible, stop the
engine and do not use it until the problem has been solved.
Before Engine Start
1. Turn on the battery switch.
2. Push the power switch on.
• All alarm lamps light up for 4 seconds.
• After 4 seconds, the hour meter is displayed.
After Engine Start
After engine start, make sure that the warning devices operate correctly and according to
“After start” in the below table.
• All alarm lamps turn off. The above check tells you whether the electric circuit for the
alarm lamps and alarm buzzer operate correctly. If they do not operate correctly,
inspection and repair are required. Consult your dealer or distributor for repairs.
Correct operation of the warning devices
Instrument panel (power switch) Power ON
Immediately After 2 seconds After 4 seconds -
Before start After start
Starter switch OFF ON
Alarm buzzer ON (0.3s) OFF OFF
Charge lamp ON ON OFF OFF
Coolant temperature lamp ON ON OFF OFF
Engine lubricating oil pressure lamp ON ON OFF OFF
LCD display YANMAR Full display Hour meter
3JH40_4JH45_4JH57_4JH80_4JH110_EN_OPM.book 31 ページ ２０２２年９月２２日 木曜日 午後６時１７分
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