
39
OPERATION OF THE EMERGENCY RELAY
If a trouble occurs during operation, a corresponding indicator lamp lights up and the engine stops. Determine at which
lamp is ON, and pinpoint and correct the cause of trouble.
4. Alarms and Corrective Measures
(1) Water temperature lamp
Lights up if the engine is overheating.
(2) Oil pressure lamp
Lights up if engine oil pressure is too low.
(3) Battery charge lamp
Lights up if there is a battery problem or if the belt is broken.
(4) Access door open lamp
Lights up if the load center cover or the access door is opened.
Light-up
Possible Causes
Countermeasures
Lamp (1)
Engine overheating.
*See "Precaution Overheating" in
"PERIODIC SERVICE" section. (See page 30.)
Water temperature sensor faulty.
*Replace the water temperature sensor.
Water temperature sensor wiring faulty. *Repair the wiring.
Lamp (2)
Insufficient engine oil.
*Add engine oil.
Lubricating system in trouble.
*Check the system.
Oil pressure sensor faulty.
*Replace the sensor.
Oil pressure sensor wiring faulty.
*Repair the wiring.
Lamp (3)
Fan belt loose or damaged.
*Readjust belt tension or replace the belt.
Alternator terminal in poor contact.
*Connect tightly.
Alternator problem.
*Check the alternator.
Lamp (4)
Access door opened.
*Close the door.
Limit switch faulty.
*Replace the limit switch.
Limit switch wiring faulty.
*Repair the wiring.
1G296-8914.book 39 ページ 2012年3月19日 月曜日 午前10時40分
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