C7.1 Engines Caterpillar


Battery Problem

Usage:

C7.1 881

Probable Causes

  • Charging circuit

  • Batteries

  • Auxiliary device

Recommended 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: Repair the charging circuit, as necessary.

Result: The charging circuit is OK.

Proceed to Test Step 2.
 

2. Batteries

A. Verify that the battery or batteries are no longer able to hold a charge. Refer to Systems Operation/Testing and Adjusting, "Battery - Test".
 

Battery
 

Result: One of the batteries is not OK.

Repair: Replace the faulty battery. Refer to the Operation and Maintenance Manual.

Result: The battery or batteries are OK.

Proceed to Test Step 3.
 

3. Auxiliary Device

A. Check if an auxiliary device has drained the battery or batteries by being left in the ON position.
 

Auxiliary Device
 

Result: The battery or batteries have been drained by an auxiliary device being left in the ON position.

Repair: Charge the battery or batteries. Verify that the battery or batteries are able to maintain a charge. Refer to Systems Operation/Testing and Adjusting for the correct procedure.

Result: The battery or batteries have not been drained by an auxiliary device being left in the ON position.

Contact the Dealer Solutions Network (DSN).
 

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