SCREW 3F5107 - Caterpillar

Probable Causes
Charging circuit
Battery
Auxiliary deviceRecommended Actions
Complete the procedure in the order in which the steps are listed.
Table 1
Troubleshooting Test Steps Values Results
1. Charging Circuit
A. Check that the battery charging circuit is operating correctly. Refer to Troubleshooting, "Alternator Problem".
Charging circuit
Result: The charging circuit is not OK.
Repair the charging circuit, as necessary.
Result: The charging circuit is OK.
Proceed to Test Step 2.
2. Battery
A. Verify that the battery is no longer able to hold a charge. Refer to Systems Operation/Testing and Adjusting, "Battery - Test".
Battery
Result: The battery is not OK.
Replace the battery. Refer to the Operation and Maintenance Manual, "Battery - Replace".
Result: The battery is OK.
Proceed to Test Step 3.
3. Auxiliary Device
A. Check if an auxiliary device has drained the battery by being left in the ON position.
Auxiliary Device
Result: The battery has been drained by an auxiliary device being left in the ON position.
Charge the battery. Verify that the battery is able to maintain a charge. Refer to Systems Operation/Testing and Adjusting for the correct procedure.
Result: The battery has not been drained by an auxiliary device being left in the ON position.
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).