Troubleshooting - Electrical System
The Electrical System Is Inoperative
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| The Electrical System Is Inoperative. | |
|---|---|
| Cause | Solution |
| The connections to the batteries are loose or corroded. | Clean the connections or tighten the connections. |
| The batteries are sulfated. | Check the battery circuit for a minimum of 12.5 Volts. Recharge the batteries or replace the batteries. |
The Speed of the Starter is Low and the Engine Cranks Slowly
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| The Speed of the Starter is Low and the Engine Cranks Slowly. | |
|---|---|
| Cause | Solution |
| The connections to the batteries are loose or corroded. | Clean the connections and tighten the connections. |
| The output of the batteries is low. | Check the battery circuit for a minimum of 12.5 Volts. Recharge the batteries or replace the batteries. |
| The viscosity of the engine oil is incorrect. | Use the correct viscosity of engine oil for the current temperature. |
The Starter Is Inoperative
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| The Starter Is Inoperative. | |
|---|---|
| Cause | Solution |
| The transmission control is in gear. | Place the transmission control into the NEUTRAL position. |
| The connections to the batteries are loose or corroded. | Clean the connections or tighten the connections. |
| The batteries are dead. | Recharge the batteries or replace the batteries. |
The Charge Indicator Stays On When the Engine Is Running
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| The Charge Indicator Stays On When The Engine Is Running. | |
|---|---|
| Cause | Solution |
| The engine idle speed is low. | Increase the idle speed. |
| The alternator belt is loose. | Check the belt tension. If the belt tension is low, adjust the belt tension. |
| The batteries are malfunctioning. | Check the battery circuit for a minimum of 12.5 Volts. Recharge the batteries or replace the batteries. |
| The alternator is malfunctioning. | Consult any Caterpillar dealer. (1) |
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| ( 1 ) | Caterpillar dealers have the tools and the trained personnel for this service. |
The Batteries Will Not Charge
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| The Batteries Will Not Charge. | |
|---|---|
| Cause | Solution |
| The connections to the batteries are loose or corroded. | Clean the connections and tighten the connections. |
| The batteries are sulfated. | Check the battery circuit for a minimum of 12.5 Volts. Recharge the batteries or replace the batteries. |
| The alternator belt is loose. | Check the belt tension. If the belt tension is low, adjust the belt tension. |
The Flashing Charge Indicator Indicates Excessive Charging Voltage
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| The Flashing Charge Indicator Indicates Excessive Charging Voltage. | |
|---|---|
| Cause | Solution |
| The alternator is malfunctioning. | Consult any Caterpillar dealer. (1) |
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| ( 1 ) | Caterpillar dealers have the tools and the trained personnel for this service. |
Caterpillar Information System:
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